The Logic Puzzle Advent Calendar – Vol. 2 for Advanced Solvers: Challenging Christmas-Themed Logic Grid Puzzles for a Cozy and Fun-Filled Holiday (The Logic Puzzle Advent Collection) Books, Unicorn
The Ultimate True Crime Puzzle Book: Over 100 Killer Activities for True Crime and Serial Killer Fanatics (Cryptograms, Crosswords, Brain Games, Word Searches, Trivia, Quizzes and Much More) Jack, Rosewood