The Puzzle Solver: A Scientist's Desperate Quest to Cure the Illness that Stole His Son is a book by Tracie White with scientist Ronald W. Davis about Davis's efforts to cure his son Whitney Dafoe, who has very severe myalgic encephalomyelitis, also called chronic fatigue syndrome (ME/CFS). The book was published on January 5, 2021. == Publication history == The Puzzle Solver began as a work of journalism that Tracie White wrote for Stanford Medicine. She expanded the work into a book (her first) in collaboration with Ronald W. Davis, a renowned scientist and one of the book's subjects. It was...