Thanks to her best friend, Reagan, Mallory Moss knows the rules of middle school. The most important one? You have to fit in to survive. But then Jennifer Chan moves in across the street, and that rule doesn’t seem to apply. Jennifer doesn’t care about the laws of middle school, or the laws of the universe. She believes in aliens—and she thinks she can find them. Then Jennifer goes missing. Using clues from Jennifer’s journals, Mallory goes searching. But the closer she gets, the more Mallory has to confront why Jennifer might have run . . . and face the truth within herself.

As a boy, Will Klein had a hero: his older brother, Ken. Then, on a warm suburban night in the Kleins’ affluent New Jersey neighborhood, a young woman—a girl Will had once loved—was found brutally murdered in her family’s basement. The prime suspect: Ken Klein. With the evidence against him overwhelming, Ken simply vanished. And when his shattered family never heard from Ken again, they were sure he was gone for good.

Surviving a werewolf attack should’ve been the strangest thing to happen to me tonight. But no, the universe had other plans. Now, I’m stuck dealing with a broodingly hot guy named Wesley St. John—who seems way too comfortable with murder. Definitely a red flag, right? Wes isn’t just some guy I stumbled upon—he’s a protector, but not the friendly kind. His job is to keep the supernatural world in check, and my ignorance is making things complicated.

Sam's cosy life as daughter of the deputy prime minister is about to end. These are turbulent times. Borders have closed, and protests are turning violent. The government blames the country's youth and is cracking down hard. Mobile phones are blocked; gatherings are banned, and dissent is brutally crushed. Sam is torn between family loyalty and doing what is right. When she meets Ava and Lucas, her mind is made up.

Kelsey has lived most of her life in a shadow of suspicion, raised to see danger everywhere. Her mother hasn't set foot outside their front door in 17 years, since she escaped from her kidnappers with nothing but her attacker's baby growing inside her - Kelsey. Kelsey knows she's supposed to keep a low profile and stay off the grid for their protection, but that plan is shattered when her dramatic car accident and rescue by volunteer firefighter and classmate Ryan Baker sparks media coverage.

In Sloane’s world, true feelings are forbidden, teen suicide is an epidemic, and the only solution is The Program. Sloane knows better than to cry in front of anyone. With suicide now an international epidemic, one outburst could land her in The Program, the only proven course of treatment. Sloane’s parents have already lost one child; Sloane knows they’ll do anything to keep her alive. She also knows that everyone who’s been through The Program returns as a blank slate. Because their depression is gone - but so are their memories.

When Alexis's little sister Kasey becomes obsessed with an antique doll, Alexis thinks she is just being her usual weird self. Things get weirder, though, when their house starts changing. Doors open and close by themselves; water boils on the unlit stove; and an unplugged air conditioner blasts cold air.

Rev works hard to keep the demons of the time before his adoption at bay...until a letter from his father after his 18th birthday brings the trauma of his childhood hurtling back. Emma escapes real life by perfecting the online game she built from scratch. Coding is way easier than facing her parents' nasty relationship or the growing distance with her best friend...But when an online troll's harassment starts to escalate, she fears for her safety. When Rev and Emma meet, they're buckling under the weight of their secrets. Though both of them find it hard to put their problems into words, they connect instantly and deeply. Rev and Emma's problems might be worlds apart, but they promise to help each other no matter what. But promises are made to be tested, and some things hurt more than we can tell.

Violet Ambrose is grappling with two major issues: Jay Heaton and her morbid secret ability. While the 16-year-old is confused by her new feelings for her best friend since childhood, she is more disturbed by her "power" to sense dead bodies or at least those that have been murdered. Since she was a little girl, she has felt the echoes the dead leave behind in the world . . . and the imprints that attach to their killers.

Addison Coleman's life is one big "what if". As a Searcher, a special type of clairvoyant, whenever Addie is faced with a choice, she is able to look into the future and see both outcomes. So when her parents tell her they are getting a divorce and she has to pick who she wants to live with, a Search has never been more important. But when Addie finds herself drawn into a murder investigation, her fate takes a darker turn. With so much to lose in either future, Addie must decide which reality she's willing to live through...and who she's willing to live without.

Amy is watching TV when the world is attacked by Them. Most of the population is overtaken, but Amy manages to survive - and even rescue "Baby" a toddler she finds in an abandoned supermarket. Then, after years of hiding, they are miraculously rescued and taken to New Hope, a colony of survivors living in a former government research compound. While at first the colony seems like a dream, with plenty of food, safety, and shelter, New Hope slowly reveals that it is far from ideal. And Amy soon realizes that unless things change, she'll lose Baby - and much more.

Elisa Wright is a mom and wife, living a nice, quiet life in a nice, quiet town. She’s also convinced her brother-in-law is a murderer. Josh has one dead wife and one missing fiancée, and though he grieved for them he starts dating someone new. Elisa fears for that woman’s safety, and she desperately wants to know what happened to her friend, Josh’s missing fiancée.

Sixteen-year-old Sasha Lawson has only ever known one small, ordinary life. When she was young, she loved her grandfather's stories of parallel worlds, inhabited by girls who looked like her but led totally different lives. Sasha never believed such worlds were real - until now, when she finds herself thrust into one against her will. To prevent imminent war, Sasha must slip into the life of an alternate version of herself, a princess who has vanished on the eve of her arranged marriage. If Sasha succeeds in fooling everyone, she will be returned home; if she fails, she'll be trapped in another girl's life forever.

Marguerite Caine grew up surrounded by cutting-edge scientific theories, thanks to her brilliant physicist parents. Yet nothing is more astounding than her mother's latest invention - a device called the Firebird, which allows people to leap into alternate dimensions.

From New York Times best-selling author Mira Grant comes a vision of a decade in the future, where humanity thrives in the absence of sickness and disease. We owe our good health to a humble parasite—a genetically engineered tapeworm developed by the pioneering SymboGen Corporation. When implanted, the Intestinal Bodyguard worm protects us from illness, boosts our immune system—even secretes designer drugs. It's been successful beyond the scientists' wildest dreams. Now, years on, almost every human being has a SymboGen tapeworm living within them.