Keiden Bosch fifteen, he is an excellent student, and also a wonderful artist Recently, he has been wandering around the city more and more alone with his thoughts. Friends and family notice that he has become somewhat confused and brooding. Kaden paints a lot, draws something too strange and incomprehensible. And it seems to him that a classmate wants to kill him ... At the same time, Caden travels on a huge ship. His mission is to mine untold treasures in Challenger's Abyss. Only here in the real world, the Challenger Abyss is an abyss of madness, into which Cayden plunges deeper every day. Neil Shusterman has written a very personal book that tries to figure out what it's like to "float through the dark, unpredictable waters of mental illness."