Murdle: The Case of the Seven Skulls: THE SUNDAY TIMES BESTSELLING SERIES: 64 Wildly Wicked Murder Mystery Logic Puzzles (Book 5) G. T., Karber
Murdle Jr.: Curious Crimes for Curious Minds: Solve Your Way Through 40 Puzzle Mysteries! G. T., Karber
Bordergrams: 80 Secret Spy Connection Puzzles from the Bestselling Author of Murdle Amin, Dani, Daniel, Donohue, G. T., Karber, Messerschmidt, Osman