A captivating novel about mental illness that lingers long beyond the last page, is a heartfelt tour de force by bestselling author Neal Shusterman. Caden Bosch is on a ship that's headed for the deepest point on Earth: Challenger Deep, the southern part of the Marianas Trench. Caden Bosch is designated the ship's artist in residence to document the journey with images. Caden Bosch is split between his allegiance to the captain and the allure of mutiny. is a deeply powerful and personal novel from one of today's most admired writers for teens. Laurie Halse Anderson, award-winning author of Speak, calls "a brilliant journey across the dark sea of the mind; frightening, sensitive, and powerful. Simply extraordinary."