Logic Grid Puzzles, Volume 2: From Easy to Fiendishly Hard (Logic Puzzles for Adults – Platinum Collection) Unicorn Books
The Ultimate Fun Adult Activity Book: Logic Puzzles, Sudoku, Mazes, Word Searches, Crosswords, Acrostics, Coloring, and More! Demyanovich, Julie
Murdle Series 3 Books Collection Set By G T Karber (100 Elementary to Impossible Mysteries to Solve Using Logic, Skill, and the Power of Deduction) G. T. Karber