"A captivating novel about mental illness that lingers long beyond the last page, Challenger Deep is a heartfelt tour de force by New York Times 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 a brilliant high school student whose friends are starting to notice his odd behavior. Caden Bosch is designated the ship's artist...