Logic Grid Puzzles, Volume 3: From Easy to Fiendishly Hard (Logic Puzzles for Adults – Platinum Collection) Unicorn Books
Murdle Puzzle Series 4 Books Collection Set By G. T. Karber (Murdle, Murdle: More Killer Puzzles, Murdle: Even More Killer Puzzles & Murdle: The School of Mystery) G. T. Karber