The Shadow #105 Sanctum Books Doom on the Hill & Clue for Clue is a trade paperback book published in 2016 by Sanctum Books. Written by Walter B. Gibson and Maxwell Grant, this fiction novel falls under the genres of action and adventure, as well as mystery and detective. The book is written in English and offers readers an exciting and intriguing storyline filled with twists and turns. This volume is a must-read for fans of classic detective and adventure novels.