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A mezzanotte un angelo

In una terribile notte, Allegra Ennis, musicista e cantante di talento, perde il padre, la vista e la carriera. Ricordi confusi e frammentari di quel trauma la perseguitano nei suoi incubi notturni, e la minaccia di chi le ha già rovinato l’esistenza continua a incombere su di lei. Finché nella sua vita entra Douglas Kowalski. Ex comandante dei reparti speciali, segnato nell’anima e nel viso da cicatrici profonde, Douglas le salva la vita durante una rapina. Presto divampa la passione ma entrambi hanno svariate ragioni per dubitare che possa durare a lungo. Tuttavia, se tanti sono i fantasmi del passato, troppo intenso è il sentimento che ora li lega…

103 curiosità matematiche: Teoria dei numeri, delle cifre e delle relazioni nella matematica contemporanea

Il volume affronta, in 103 brevi capitoli monografici, vari argomenti di matematica, riguardanti principalmente la teoria dei numeri, quella delle cifre e quella delle relazioni, includendo con quest’ultima anche funzioni e applicazioni tra elementi di insiemi. “103” non è un numero magico ma, come si scoprirà nella lettura dell’opera, è uno spunto da cui gli autori sono partiti per numerose riflessioni sulle proprietà dei numeri. Nel libro sono trattati molti argomenti che sono stati sviluppati solo negli ultimi decenni e che non si trovano nei testi di matematica divulgativa e ancor meno raccolti in modo organico in un unico volume; problemi che tipicamente avvincono professionisti e appassionati di matematica. Alcuni temi si esauriscono in un solo capitolo? per esempio i numeri autobiografici, gli early bird, i numeri esotici? altri, come quelli relativi alla scomposizione in fattori primi, alla criptografia, alla teoria dei grafi, sono affrontati a più riprese per raggiungere un buon grado di approfondimento.

The White Princess

Somewhere beyond the shores of England, a Pretender is mustering an army. He claims to be brother to the queen, and the true heir to the throne. But is he the lost boy sent into the unknown by his mother, the White Queen? Or a counterfeit prince – a low-born enemy to Henry Tudor and his York princess wife? When Henry Tudor picked up the crown of England from the mud of Bosworth Field he knew he would have to marry the princess of the rival house – Elizabeth of York – in an effort to unify a country divided by war for nearly two decades. But his bride was still in love with his enemy – and her mother and half of England still dreamed of a missing heir and a triumphant return for the House of York. The new Queen Elizabeth has to decide if she can stand by a king whose support and courage are crumbling before her eyes. She has to choose between Tudor and York, between her new husband and the boy who claims to be her beloved lost brother: the rose of York come home at last.

The Sleeping Curse: Homeward VIII

Julianna, along with Jan’s entire Móndyalítko family, arrives at the capitol city of Kéonsk for the grand autumn fair. Having grown up in a small village, she’s never seen anything like this vast array of stalls, wagons, and people gathered for a yearly festival market. Almost immediately, the family launches into a series of well planned shows to entertain visitors from near and far—and to earn money.
Julianna joins them in playing the tambourine as Jan plays his violin, and even Jan is surprised by how much she enjoys this. Unfortunately, any joy in this new life is soon cut short for both of them when a curse is set upon one family member by a power-hungry witch.
To break the curse, Jan is told that he must complete a task. Though he intends to do so alone, Julianna has other ideas. As the pair rush headlong into saving a family member, neither realize the remedy may be more dangerous than the curse itself.
**About “Tales from the world of the Noble Dead Saga”…**
No knowledge of the Noble Dead Saga or related works is necessary to read and enjoy these stories. They are written for fantasy enthusiasts in general and not just our established readership. Readers new to this world can step into it through any of these short works.
Tales are organized into “collections” where all stories therein share a theme and/or premise. When one or more link together, subsequent stories will mention “sequel to…” on their covers to guide you. Even so, each is self-contained enough to be your first adventure into this world.
—Barb & J.C. Hendee
**

The Great Game

It’s 1831, and Lady Gwendolyn Crichton has been appointed Royal Sorceress following the tragic events known as the Swing. Although unleashed by the rebel master magician Jack in battle with Gwen’s mentor Master Thomas, the popular press firmly laid the blame at the feet of the French. Now alone at the head of the Royal College of Sorcerers, Gwen must overcome prejudice against her gender and age if she is to exercise her authority and fulfil her responsibilities. Soon an unexpected responsibility is made manifest when Sir Travis Mortimer, a senior magician recently returned from India, is found murdered in a locked room. Gwen is required to investigate, but before long her inquiries lead her into a web of intrigue that combines international politics, widespread aristocratic blackmail, gambling dens, and personal vendettas. Should she believe apparent evidence that Mortimer betrayed his country, or is she being manipulated to keep her away from the truth? Who can she really trust? Is a title or popular acclaim a valid basis for trust? Soon, some of the more unsavoury aspects of the case get dangerously close to home, which means Gwen must make hard decisions and ask difficult questions of her own nearest and dearest. Continuing on from the end of ‘The Royal Sorceress’, ‘The Great Game’ follows Gwen’s unfolding story as she assumes the role vacated by Master Thomas. A satisfying blend of whodunit and magical fantasy, it is set against a backdrop of international political unrest in a believable yet simultaneously fantastic alternate history.

The Forgotten Mistress: Tales of Misbelief II

Young Elena has lifted a curse from her widower lord, Stefan Korbori, and is basking in his new happiness and gratitude. She is now mistress to both him and his great manor in all ways but name. Her world seems perfect, until one night he informs her that he will take a new wife… for her money.
Stunned and powerless, Elena has no choice but to accept her change of status. She refuses to become an object of pity and maintains her position as housekeeper. But soon after the new wife arrives, Stefan begins to slip into madness again, echoing the nightmare of his past curse.
Elena suspects the new bride is not what the woman appears to be, as darkness has once again descended upon the manor. It must be fought, but who will believe the warnings of a forgotten mistress?
**About “Tales from the world of the Noble Dead Saga”…**
No knowledge of the Noble Dead Saga or related works is necessary to read and enjoy these stories. They are written for fantasy enthusiasts in general and not just our established readership. Readers new to this world can step into it through any of these short works.
Tales are organized into “collections” where all stories therein share a theme and/or premise. When one or more link together, subsequent stories will mention “sequel to…” on their covers to guide you. Even so, each is self-contained enough to be your first adventure into this world.
—Barb & J.C. Hendee
**

The Forgotten Lord: Tales of Misbelief I

Lord Stefan Korbori is trapped inside his own manor, kept there by the curse of an undead sorcerer. In endlessly wandering the same rooms and passages for several years, he has begun sinking into madness. Although abandoned or forgotten by other nobles of his class, he still has the love of his young mistress to anchor him against the darkness.
Elena would do anything to help her lord. When three sages from the Bela Annex of the Guild of Sagecraft pass through her village of Pudúrlatsat, she sees a glint of hope. As scholars, they might have knowledge of sorcery—or rather how to counter it. A plan begins to form out of the past and how her lord first became imprisoned by the curse.
Elena sees one chance for Stefan that even he would never allow—that might not work—if he learned of it.
**About “Tales from the world of the Noble Dead Saga”…**
No knowledge of the Noble Dead Saga or related works is necessary to read and enjoy these stories. They are written for fantasy enthusiasts in general and not just our established readership. Readers new to this world can step into it through any of these short works.
Tales are organized into “collections” where all stories therein share a theme and/or premise. When one or more link together, subsequent stories will mention “sequel to…” on their covers to guide you. Even so, each is self-contained enough to be your first adventure into this world.
—Barb & J.C. Hendee
**

The First Midnight Spell

In this suspenseful companion novella to *New York Times* bestselling author Claudia Gray’s *Spellcaster* , learn the tragic origins of the dark witch Elizabeth.
It’s 1695, and Elizabeth Cooper is a young witch in Fortune’s Sound, Rhode Island. She spends her days perfecting spells with the local coven and dreaming about one day marrying Nat Porter. But Nat is the son of Widow Porter, another witch and the leader of their coven. According to the First Laws of the Craft, Elizabeth is strictly forbidden to marry him.
Elizabeth never imagined dabbling in the dark arts, bringing herself close to serving the One Beneath. But as she feels Nat slipping away from her, she will do anything to secure his love. How much harm could she do with one single spell, even if it is black magic?
HarperTeen Impulse is a digital imprint focused on young adult short stories and novellas, with new releases the first Tuesday of each month.

Silent Bells: Homeward IX

Jan and Julianna, along with all of Jan’s Móndyalítko family, return to Chemestúk keep to prepare for a joyous day–their wedding. Julianna could not be happier, for Jan has altered completely; no longer the shallow “breaker of hearts,” he now belongs solely to her. Yet even as flowers are arranged and the wedding feast is prepared, Jan’s past catches up to him.
The night before the wedding, another woman unexpectedly arrives at the keep and brings devastating repercussions that rapidly spin out of control. To Julianna’s shock, she is soon fighting not only for Jan’s life but her certainty that she can trust him with her heart. Is he really the man she believed him to be?
Not only does his life hang in the balance but their future life together as well.
**About “Tales from the world of the Noble Dead Saga”…**
No knowledge of the Noble Dead Saga or related works is necessary to read and enjoy these stories. They are written for fantasy enthusiasts in general and not just our established readership. Readers new to this world can step into it through any of these short works.
Tales are organized into “collections” where all stories therein share a theme and/or premise. When one or more link together, subsequent stories will mention “sequel to…” on their covers to guide you. Even so, each is self-contained enough to be your first adventure into this world.
—Barb & J.C. Hendee
**

Shadow of Freedom

*New York Times, USA Today, Wall Street Journal* and international bestselling **phenomenon David Weber delivers book #18 in the multiple* New York Times* best-selling Honor Harrington series. Honor Harrington’s Royal Manticoran Navy fights space battles alongside planetary rebels as its old rival, the corrupt Solarian League, begins to crumble.
# 18 in the multiply-bestselling Honor Harrington series.
Wrong number? There are two sides to any quarrel . . . unless there are more.
Michelle Henke, Queen Elizabeth of Manticore’s first cousin, Honor Harrington’s best friend, and the commanding officer of Manticore’s Tenth Fleet, is just a bit surprised when a messenger arrives from the Mobius System to inform her that the Mobius Liberation Front is prepared to rise in rebellion against the hated regime President Svein Lombroso. She can understand why *anyone* would want to rebel against someone like Lombroso, but why tell *her* about it? After all, she has problems of her own, like the minor matter of a life-or-death war against the Solarian League.
Michelle has just handed the “invincible” Solarian League Navy the most humiliating, one-sided defeat in its entire almost thousand-year history in defense of the people of the Star Empire’s Talbott Quadrant. But the League is the most powerful star nation in the history of humanity. Its navy is going to be back – and this time with thousands of superdreadnoughts.
Yet she also knows scores of other star systems — some independent, some controlled by puppet regimes, and some simply conquered outright by the Solarian Office of Frontier Security — lie in the League’s grip along its frontier with the Talbott Quadrant. As combat spreads from the initial confrontation, the entire frontier has begun to seethe with unrest, and Michelle sympathizes with the oppressed populations wanting only to be free of their hated masters.
And that puts her in something of a quandary when the messenger from Mobius arrives, because someone’s obviously gotten a wrong number. According to him, the Mobians’ uprising has been carefully planned to coordinate with a powerful outside ally: the Star Empire of Manticore. Only Manticore — and Mike Henke — have never even heard of the Mobius Liberation Front.
It’s a set-up . . . and Michelle knows who’s behind it. The shadowy Mesan Alignment has launched a bold move to destroy Manticore’s reputation as the champion of freedom. And when the RMN *doesn’t* arrive, when the MLF is brutally and bloodily crushed, no independent star system will ever trust Manticore again.
Mike Henke knows she has no orders from her government to assist *any* rebellions or liberation movements, that she has only so many ships, which can be in only so many places at a time . . . and that she can’t possibly justify diverting any of her limited, outnumbered strength to missions of liberation the Star Empire never signed on for.
She knows that . . . and she doesn’t care.
No one is going to send thousands of patriots to their deaths, trusting in Manticoran help that will never come.
Not on Mike Henke’s watch.
**About *Shadow of Freedom* :
** “This entry is just as exciting as Weber’s initial offering. . . .The result is a fast-paced and action-packed story that follows [our characters] as they move from reaction to command of the situation. Weber builds *Shadow of Freedom* to an exciting and unexpected climax.”— *Daily News of Galveston*
**About *Mission of Honor* , #13 in the Honor Harrington series: **
“Weber combines realistic, engaging characters with intelligent technological projection and a deep understanding of military bureaucracy in this long-awaited Honor Harrington novel…Fans of this venerable space opera will rejoice to see Honor back in action.”– *Publishers Weekly*  
“This latest Honor Harrington novel brings the saga to another crucial turning point…Readers may feel confident that they will be Honored many more times and enjoy it every time.”– *Booklist*
**About David Weber and the Honor Harrington series:**
“. . .everything you could want in a heroine …. Excellent … plenty of action.”– *Science Fiction Age*
“Brilliant! Brilliant! Brilliant!”–Anne McCaffrey
“Compelling combat combined with engaging characters for a great space opera adventure.”– *Locus*
“Weber combines realistic, engaging characters with intelligent technological projection . . . Fans of this venerable space opera will rejoice . . .”– *Publishers Weekly* **

Saving Thanehaven

Noble is a knight with a heart that’s true and, well, noble. With his not-so-trusty sword, Smite, he fights his way through a vicious, unfriendly landscape, sure (or at least, he thinks he’s sure) that one day he’ll defeat the bad guys (whoever they are) and win the heart (at least he guesses that’s the idea) of a beautiful princess. Then one day Rufus comes along and turns his world upside down. Rufus has his own ideas about how to get ahead: don’t fight, negotiate! Don’t play by the rules! Suddenly, life is more interesting–and less painful–than ever before. But the new rules are harder to live by than the old ones, and suddenly, it appears possible that Rufus might have an ulterior motive–at the very least! With a slippery, ever twisting plot that is set inside a very confused computer, Catherine Jinks’s latest novel will pull in fans of adventure, computer games, and just plain fun.

Releases simultaneously in electronic book format (ISBN 978-1-60684-284-3)

Saved at Sunrise

From C. C. Hunter, the bestselling author of the Shadow Falls series, comes *Saved at Sunrise, *an unforgettable new e-original novella.
Nestled deep in the woods, Shadow Falls is a secret camp where teens with supernatural powers learn to harness their abilities and live in the normal world.  But Shadow Falls is facing a problem that could finally expose them to the rest of the world.  Humans are showing up dead, and rogue vampires may be to blame. 
Camp resident Della Tsang, who’s still coming into her own vampire powers, is assigned to help find those responsible. If she succeeds, maybe she’ll even land her dream job: working for the F.R.U., the enforcers of the supernatural world.  But when she sees that her new partner is a hunky shapeshifter, things get complicated.  Steve, too gorgeous to be trusted and capable of seeing through her tough-as-nails exterior, knows just how to get under her skin.  And only hours into the mission, Della realizes rogue vampires aren’t the only threat she’s facing. If she’s ever going to complete her assignment, she’ll need his help…but learning to trust him will be her hardest challenge yet.

Raspberry Pi Cookbook

The world of Raspberry Pi is evolving quickly, with many new interface boards and software libraries becoming available all the time. In this cookbook, prolific hacker and author Simon Monk provides more than 200 practical recipes for running this tiny low-cost computer with Linux, programming it with Python, and hooking up sensors, motors, and other hardware—including Arduino. You’ll also learn basic principles to help you use new technologies with Raspberry Pi as its ecosystem develops. Python and other code examples from the book are available on GitHub. This cookbook is ideal for programmers and hobbyists familiar with the Pi through resources such as *Getting Started with Raspberry Pi* (O’Reilly). * Set up and manage your Raspberry Pi * Connect the Pi to a network * Work with its Linux-based operating system * Use the Pi’s ready-made software * Program Raspberry Pi with Python * Control hardware through the GPIO connector * Use Raspberry Pi to run different types of motors * Work with switches, keypads, and other digital inputs * Hook up sensors for taking various measurements * Attach different displays, such as an LED matrix * Create dynamic projects with Raspberry Pi and Arduino
Make sure to check out 10 of the over 60 video recipes for this book at: http://razzpisampler.oreilly.com/ You can purchase all recipes at: **