Travel Diaries of the Dead and Delusional

"Nineteen-year-old Langley is crazy. She knows it, and the kicker is--she's choosing to stay that way. By choice, she clings to the persistent and intrusive hallucination of her dead sister, Sarah. Tupper's life is charmed. He has loving adoptive parents, and several athletic college scholarships on the table. At eighteen, Tupper sidesteps his planned future and goes on a journey based a unique travel diary from his birth mother, Anna-- and follows her map from Kansas City to Canada. His travels will put him on a collision course with Langley, and their bond is palpable from the start. But secrets will push between them--Sarah and Anna, two ghosts who could sink their icy fingers into the teens and tear them apart"--