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Caden Bosch is on a ship that's headed for the deepest point on earth: Challenger Deep, the southern part of the Marianas Trench. A brilliant high school student whose friends are starting to notice his odd behavior, he is designated the ship's artist in residence in order to document the journey with images. Caden pretends to join his school's track team but spends his days walking for miles, absorbed by the thoughts in his head; he is split between...
Relates how one boy--who had friends, enjoyed reading, playing saxophone in the band, and had never been in trouble before--became a monster capable of entering his high school with a loaded gun and firing on his classmates, as told from the viewpoints of several victims. Each perspective is written by a different writer of young adult fiction.