When high school student Clay Jenkins receives a box in the mail containing thirteen cassette tapes recorded by his classmate Hannah, who committed suicide, he spends a bewildering and heartbreaking night crisscrossing their town, listening to Hannah's voice recounting the events leading up to her death.

A fifteen-year-old boy who has spent his entire life trying to avoid attention finds himself in the middle of a millenia-old struggle between titanic forces when he is simultaneously recruited by an exclusive prep school and followed by sinister agents.

When Taylor Cook develops incredible abilities, she finds herself at the Human Garde Academy, where the Loric are training the new generation of Garde to control her powers.

When Maggie Silver's parents are falsely accused of stealing gold coins, she must use her safecracking skills to clear their names, with help from the "new team" she has formed as an undercover operative in a New York City high school.

As the active-duty daughter of spies, Maggie Silver never attended high school, so when she and her parents are sent to New York for her first assignment, Maggie is introduced to cliques, school lunches, and maybe even a boyfriend.

Sometimes Charity cannot control her body and because she has low-functioning autism, Charity cannot communicate her thoughts to anyone else, even though she feels all of the frustrations, fears, and doubts of a typical thirteen-year-old.