After Reynie Muldoon responds to an advertisement recruiting "gifted children looking for special opportunities," he finds himself in a world of mystery and adventure. The 11-year-old orphan is one of four children to complete a series of challenging and creative tasks, and he, Kate, Constance, and Sticky become the Mysterious Benedict Society. After being trained by Mr. Benedict and his assistants, the four travel to an isolated school where children are being trained by a criminal mastermind to participate in his schemes to take over the world. The young investigators need to use their special talents and abilities in order to discover Mr. Curtain's secrets, and their only chance to defeat him is through working together.

A mysterious plane arrives at an airline gate unnoticed by radar. Onboard, the 36 passenger seats are inexplicably inhabited by infants. Thirteen years later in Ohio, adoptees Jonah and his friend Chip begin receiving ominous messages declaring that they are among "the missing" and that someone is coming to find them. Frightened yet intrigued, the boys begin a search for their real identities which leads them to an astonishing discovery of time travel, and danger greater than they ever imagined possible.

Rachet was thrown into a river to drown. A born survivor, she claws up the riverbank and finds a home with the feral cats living by the Roxville train station. Amid foxes, raccoons, owls, and hostile humans, the cats fight for territory, hunt, and are hunted. Mike, a foster child who lives near the station, spots Rachet and sets his heart on befriending her. But Mike must learn to "speak" the language of cats to gain wily Rachet's trust in this intriguing story that explores the wonder of friendship and the natural world hiding among us.

Gil is one of 5000 kids competing for fame and prizes in a fantastic event sponsored by the Golly Toy and Game Company. By solving a series of word games and puzzles, and passing physical challenges, he reaches the finals, where he must outshine four others, including an ex-classmate who may be cheating. Gil has further motivation to win with hopes of lifting the dark cloud hovering over his family ever since his father was wrongly accused of embezzling from the company.