Murdle: Volume 1: 100 Elementary to Impossible Mysteries to Solve Using Logic, Skill, and the Power of Deduction

Murdle: Volume 1 (Murdle, 1)

Murdle: Volume 2 (Murdle, 2)

Murdle Jr.: Curious Crimes for Curious Minds: Solve Your Way Through 40 Puzzle Mysteries! (Murdle Jr. Puzzles, 1)