The prize: $10 million. The rules: Be the first to complete 10 tasks assigned by the Benefactor. Do not ask questions. Do not tell anyone what you're doing. Do not fail. The consequences: Unknown. James' grandpa is dying. An experimental treatment has a chance of saving him, but James' family can't afford it. Not unless James competes in the Contest. The rules are sketchy, and the tasks seem dangerous...and definitely wrong. James has the feeling this contest is about a lot more than the prize money. But he can't back out now - can he?

Mia, the irreverent, hyperanalytical twenty-year-old daughter, has an explanation for everything—which is why she isn’t initially concerned when her father and younger brother Eugene don’t return from a walk in a nearby park. They must have lost their phone. Or stopped for an errand somewhere. But by the time Mia’s brother runs through the front door bloody and alone, it becomes clear that the father in this tight-knit family is missing and the only witness is Eugene, who has the rare genetic condition Angelman syndrome and cannot speak.

The Stranger appears out of nowhere, perhaps in a bar or a parking lot or at the grocery store. His identity is unknown. His motives are unclear. His information is undeniable. Then he whispers a few words in your ear and disappears, leaving you picking up the pieces of your shattered world.

Mickey Gibson, single mother and former detective, leads a hectic life similar to that of many moms: juggling the demands of her two small children with the tasks of her job working remotely for ProEye, a global investigation company that hunts down wealthy tax and credit cheats. When Mickey gets a call from a colleague named Arlene Robinson, she thinks nothing of Arlene’s unusual request for her to go inventory the vacant home of an arms dealer who cheated ProEye’s clients and fled.

Lieutenant Abby Mullen is no stranger to crisis. As the hostage negotiation instructor for the NYPD, she deals with worst-case scenarios every day. Nothing fazes her anymore. That all changes when she gets a call from Eden Fletcher, a fellow survivor of the infamous Wilcox cult. The two haven’t spoken since the night of a tragic, fiery massacre, when their paths diverged. But now Eden needs Abby’s help: someone has kidnapped her son and is demanding a $5 million ransom. As Abby throws herself into the case, she can’t help but wonder why the kidnapper has targeted Eden.

Angela's graduate school days at MIT come to an abrupt end when she uses her hacking skills on another student's computer. Yet her mentor, Eve Abajian, arranges a new beginning for her - as an intern in FBI's Boston field office. Her new supervisor, Assistant Special Agent in Charge William Keats, one of only two agents in the Northeast to make his rank before the age of 30, sees in Angela a fellow prodigy. But Angela's skills come with a natural curiosity, which is also a dangerous liability.

When Ali's best friend, Gabe, is reported missing, Ali is desperate to find him. At the same time, a string of burglaries targets his neighborhood - and even his own house. With his father on trial for a crime he didn't commit, it's up to Ali to search for clues and find his friend. But being a kid sleuth isn't easy - especially when your father warns you not to get involved! - and Ali soon learns that clues aren't always what they seem. Will his detective work lead to a break in Gabe's case or cause even more trouble for the Cross family?

The beginning of my sophomore year in college was off to a rough start. On the first day of orientation, I had an altercation with an infuriating British dude in a campus bathroom. (The ladies’ room was out of order. So, I used the men’s room. Don’t judge.) I got home later that night and realized that the foreign student we were expecting to rent a room in my parents’ house was allergic to our cat. So, the spare room went to someone else: Caleb - the British guy from the men’s room. And so it began...my love-hate story with Caleb Yates. Or was it hate-love in that order?

Rebecca and Brian Unsworth appear to have it all. A nice house in the suburbs of Washington, DC. Two well-behaved, healthy teenage children. Important government jobs - Rebecca working in counterterrorism for the FBI, Brian serving as a coder for the NSA. Seeking to revive their strained relationship, they decide for their 20th wedding anniversary to take their two kids, Kira and Tony, on a European getaway. They have a blast…until one night in Barcelona when Kira doesn’t come home from a dance club. She’s gone. Abducted.

Each of us has a question we dread. When the simple community of Lakehaven is shaken by a violent crime, doubts begin to arise among the locals about whom they can trust.

Bobby Phillips is an average 15-year-old boy. Until the morning he wakes up and can't see himself in the mirror. Not blind, not dreaming, Bobby is just plain invisible. There doesn't seem to be any rhyme or reason to Bobby's new condition; even his dad the physicist can't figure it out. For Bobby that means no school, no friends, no life. He's a missing person. Then he meets Alicia. She's blind, and Bobby can't resist talking to her, trusting her.

Because her mom is always on the move, Steph hasn’t lived anyplace longer than six months. Her only constant is an online community called CatNet - a social media site where users upload cat pictures - a place she knows she is welcome. What Steph doesn’t know is that the admin of the site, CheshireCat, is a sentient A.I. When a threat from Steph’s past catches up to her and ChesireCat’s existence is discovered by outsiders, it’s up to Steph and her friends, both online and IRL, to save her.

It was one dark night that brought Damon Wolfe and Sophie Parker together. They were two tortured souls, looking for escape, and they weren't supposed to see each other ever again...Four years later, Sophie's FBI father, who is also Damon's mentor, is killed in a suspicious car crash after leaving Sophie a cryptic message to trust no one from the agency. When Damon shows up looking for her, she isn't sure if he's friend or enemy, but she knows he could easily rip apart what is left of her heart.

Florian is 12 years old and has just moved to Washington. He's learning his way around using TOAST, which stands for the Theory of All Small Things. It's a technique he invented to solve life's little mysteries. But when he teaches it to his new friend Margaret, they uncover a mystery that isn't little. In fact, it's huge, and it involves the National Gallery, the FBI, and a notorious crime syndicate known as EEL. Can Florian decipher the clues and finish his homework in time to help the FBI solve the case?

Ava, CJ, Jordan, and Martha (listed in alphabetical order out of fairness) have been friends since kindergarten. Now they're in their senior year, facing their biggest fears about growing up and growing apart. But there's more than just college on the horizon. One of these girls is destined to become the president of the United States. The mystery, of course, is which girl gets the gig.