NATIONAL BESTSELLER . "A fun, DaVinci Code-style blend of puzzles, mysticism and high-octane action" (People, Best Books of the Month), from the author of The Puzzle Master"This rip-roaring adventure thriller is an escapist puzzle box of delights: a neurodivergent hero, an unsolvable mystery, and death hanging over every move."-Catherine Steadman, author of Something in the WaterWINNER OF THE LOS ANGELES TIMES BOOK PRIZE .
A PUBLISHERS WEEKLY BEST BOOK OF THE YEARTwo sisters. A lost imperial treasure. The world's greatest puzzle master has twenty-four hours to solve the most dangerous mystery of his life .
NATIONAL BESTSELLER . "A fun, DaVinci Code-style blend of puzzles, mysticism and high-octane action" (People, Best Books of the Month), from the author of The Puzzle Master"This rip-roaring adventure thriller is an escapist puzzle box of delights: a neurodivergent hero, an unsolvable mystery, and death hanging over every move."-Catherine Steadman, author of Something in the WaterWINNER OF THE LOS ANGELES TIMES BOOK PRIZE .
A PUBLISHERS WEEKLY BEST BOOK OF THE YEARTwo sisters. A lost imperial treasure. The world's greatest puzzle master has twenty-four hours to solve the most dangerous mystery of his life .