For months, Summer is trapped in a cellar with the man who took her and three other girls: Rose, Poppy, and Violet.

Seventeen-year-old Chloe's summer vacation in Greece comes to an abrupt end when she is suddenly bound, gagged and whisked away to an unidentified location. Waking up from a drug-induced sleep, she finds herself in a squalid warehouse. Chloe can only imagine the worst. After several days of total isolation and utter despair, Chloe faces a new threat when her kidnapper appears, but she also feels a sense of relief. His revelation that she is being

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Riley Spencer never thought twice about keeping secrets from her parents, but when she finds a birth certificate with the name Jane O'Callahan hidden in her baby book, she must consider that her parents are lying to her.

Kestra Dallisor has spent the last three years in exile, but that does not stop her from being drawn back into the web of her father's dangerous politics. He's second-in-command to the despotic and seemingly immortal king, Lord Endrick. With his arsenal of Ironheart soldiers and vicious condors, Endrick rules the land of Antora with a cruel and bloody fist. Her father's position makes Kestra a valuable bargaining chip, which a group of rebels understands...

Chanda Kabelo, a teenaged African girl, must save her younger siblings after they are kidnapped and forced to serve as child soldiers in General Mandiki's rebel army.

Jocelyn Steely was kidnapped as a child and trained as a North Korean spy, but the tables turn when she becomes a double agent for the very American spy organization she has been sent to destroy.

Sixteen-year-old Tessa, a budding photographer, has been living in suspended animation since her best friend was kidnapped at the age of fourteen, and when she suddenly returns, both of them, along with the people they love, must deal with the emotional aftermath of the terrible ordeal.

"No one ever really paid close attention to the faces of the missing children on the milk cartons. But as Janie Johnson glanced at the face of the ordinary little girl with her hair in tight pigtails, wearing a dress with a narrow white collar--a three-year-old who had been kidnapped twelve years before from a shopping mall in New Jersey--she felt overcome with shock. She recognized that little girl--it was she. How could it possibly be true? Janie...

Rio Cruz and a crew of young disabled veterans are teamed up to sail around the world for charity--but when they are kidnapped by an psychotic African warlord and his band of child soldiers the trip of a lifetime turns into a nightmare journey into the African jungle.

Madison, a senior at a suburban New York high school, tries to uncover who is responsible for the disappearance of her friends, popular students mentioned in the posts of an anonymous blogger, while she, herself, is being stalked online and in-person.