Young Adult Mystery Thriller

Monday Charles is missing, and only Claudia seems to notice. Claudia and Monday have always been inseparable - more sisters than friends. So when Monday doesn’t turn up for the first day of school, Claudia’s worried. When she doesn’t show for the second day, or second week, Claudia knows that something is wrong. As Claudia digs deeper into her friend’s disappearance, she discovers that no one seems to remember the last time they saw Monday. How can a teenage girl just vanish without anyone noticing that she’s gone?

In the shocking finale to the best-selling series that began with Stalking Jack the Ripper, Audrey Rose and Thomas are on the hunt for the depraved, elusive killer known as the White City Devil. A deadly game of cat-and-mouse has them fighting to stay one step ahead of the brilliant serial killer - or see their fateful romance cut short by unspeakable tragedy.

No one knows what happened that morning at River Point. Five boys went hunting. Four came back. The boys won't say who fired the shot that killed their friend, Grant; the evidence shows it could have been any one of them. Kate Marino's senior year internship at the District Attorney's Office isn't exactly glamorous - more like an excuse to leave school early that looks good on college applications. Then the DA hands her boss, Mr. Stone, the biggest case her small town of Belle Terre has ever seen.

From the Queen of Scream comes a novel that will raise the hair on the back of your neck. Not every grandmotherly type bakes cookies. What's more frightening than finding out that the kindly old ladies living across the street from you are anything but? As a child, Tim Robertson is selling cookies with his best friend Damien when they knock on the door of the house across the street from him. Two old ladies open the door and Tim never sees his best friend again.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Nicholas Flamel is the greatest Alchemyst to ever live. The records show that he died in 1418, but what if he's actually been making the elixir of life for centuries? The secrets to eternal life are hidden within the book he protects - the Book of Abraham the Mage. It's the most powerful book that has ever existed, and in the wrong hands, it will destroy the world. And that's exactly what Dr. John Dee plans to do when he steals it. There is one hope. If the prophecy is true, Sophie and Josh Newman have the power to save everyone. Now they just have to learn to use it.

When Malia Kwan exhibits unusual abilities, government agents show up at her home to apprehend her and her twin brother, Jaden - and all hell breaks loose. After their parents are killed, Jaden and Malia flee into the night, becoming fugitives. Before long, they discover their true identities are tied to the lost city of Atlantis - and to the origins of humanity itself. And now a threat emerges that could wipe out the entire human race - unless Jaden and Malia can stop it!

Michael Merrick is used to pressure. He's the only parent his three brothers have had for years. His power to control Earth could kill someone if he miscalculates. Now an Elemental Guide has it out for his family, and he's all that stands in the way. Michael's girlfriend, Hannah, gets that. She's got a kid of her own and a job as a firefighter that could end her life without a moment's notice. But there are people who have had enough of Michael's defiance.

Kwan Wilson was a high school basketball star living in San Diego when a tragic accident changed his life in ways no one could predict. He only looked at his phone for a few seconds, but that was all the time it took to crash his car into a telephone pole, killing his mother and paralyzing him from the waist down. After the accident, his father, Admiral Douglas Wilson, sent him off to live with his maternal grandmother in South Florida.

Divided by the dark wasteland between worlds, Kaige and Solaris deal with the consequences of their blood bond and the dangerous secrets they share. Their attempt at normalcy is quickly interrupted when Solaris stumbles upon a gruesome discovery in Imera, one The Collective would kill to keep quiet. Kaige risks everything to save her, realizing becoming king is the only option. With Solaris in hiding, their forbidden feelings spiral out of control. As Kaige struggles to protect her, they learn the truth behind Draconis's darkest secret.

Emilia is reeling from the shocking discovery that her twin sister, Vittoria, is alive. But before she faces the demons of her past, Emilia yearns to claim her king, the seductive Prince of Wrath, in the flesh. Emilia doesn’t simply desire his body, she wants his heart and soul—but that’s something the enigmatic demon can’t promise her. When a high-ranking member of House Greed is assassinated, Emilia and Wrath are drawn to the rival demon court. Damning evidence points to Vittoria as the murderer, and she’s quickly declared an enemy of the Seven Circles.

Life is hard. Change is difficult. But adjusting to being a ghost? Well, that is just darn near impossible. And Bridget Sway is struggling. It's not just the job, the uniform, the housemates, the rules, the community service. It's everything. And now she's facing a week-long group assessment to evaluate her adjustment.As if that isn't bad enough, some inconsiderate soul has shoved another dead ghost in her locker. Things are looking bleak for Bridget. If she fails the assessment, she'll be "re-educated."

When her mom inherits an old, crumbling mansion, Seda's almost excited to spend the summer there. Except now her mom wants to renovate, rather than sell the estate - which means they're not going back to the city...or to Seda's friends and school. As the days grow shorter, Seda is filled with dread. They're about to be cut off from the outside world, and she's not sure she can handle the solitude or the darkness it brings out in her. Then a group of teens get stranded near the mansion during a blizzard. Seda has no choice but to offer them shelter....

Lewis Barnavelt is back and this time he has stumbled upon something more powerful than even his imagination can dream up. A camping trip with his Scout troop leads Lewis straight to an old grave and a mysterious, magical whistle. When Lewis discovers that this whistle has the power to stop the boys who insist upon bullying him, he is left with a tough decision. Does he continue to use the whistle, which he suspects might not be completely safe? Is Lewis strong enough to face the potent spirit that he is unknowingly summoning?

Andy and her twin brother Tony are four-wheeling in the woods near their family cabin when they notice the sky has turned a sickly shade of green. Moments later, the sky erupts into a raucous thunderstorm and they’re forced to take cover beneath an abandoned Ranger tower. When the sky grows eerily calm, they quickly get back on their four-wheelers and race home - only to find a massive funnel cloud blocking their way. The twins dodge falling trees and debris in search of shelter only to face an even bigger dilemma.

Holly Ash is good actor. Just one downside: Most of the people she’s acting with have no idea they’re a part of her fiction. One that has been carefully constructed by the secretive company that Holly works for, known as D.O.P.L. Every assignment is a new role, a new name, a completely new self. Her newest role is “Margot” and her newest target: a boy her age named Will Aldrich.

>"Lily?" My stomach dropped as a tall, dark-haired man stepped into view. Had he been hiding between the trees? "No. Sorry." Gulping, I took a step back. "I'm not Lily." He shook his head, a satisfied grin on his face. "No. You are Lily." "I'm Summer. You have the wrong person." For months, Summer is trapped in a cellar with the man who took her - and three other girls: Rose, Poppy, and Violet. His perfect, pure flowers. His family. But flowers can't survive long cut off from the sun, and time is running out....

Lora Jones has always known that she’s different. On the outside, she appears to be an ordinary sixteen-year-old girl. Yet Lora’s been keeping a heartful of secrets: She hears songs that no one else can hear, dreams vividly of smoke and flight, and lives with a mysterious voice inside her that insists she’s far more than what she seems. England, 1915. Raised in an orphanage in a rough corner of London, Lora quickly learns to hide her unique abilities and avoid attention.

Nora O'Malley's been a lot of girls. As the daughter of a con-artist who targets criminal men, she grew up as her mother's protégé. But when her mom fell for the mark instead of conning him, Nora pulled the ultimate con: escape. For five years Nora's been playing at normal. But she needs to dust off the skills she ditched because she has three problems.

Half-angel Trinity and her bonded gargoyle protector, Zayne, have been working with demons to stop the apocalypse while avoiding falling in love. The Harbinger is coming…but who or what is it? All of humankind may fall if Trinity and Zayne can’t win the race against time as sinister forces gather. As tensions rise, they must stay close together and patrol the DC streets at night, seeking signs of the Harbinger, an entity that is killing Wardens and demons with no seeming rhyme or reason.