marble logic

The Pyrgic Puzzler - (Dover Math Games & Puzzles) by Christopher Maslanka (Paperback)

299 On-The-Go Games & Puzzles to Keep Your Brain Young - by Nancy Linde (Paperback)

Letterinth - by G T Karber (Paperback)

Sherlock Holmes Compendium of Mysterious Puzzles - (Sirius Classic Conundrums) by Gareth Moore (Paperback)

Brain Games - Most Wanted Crime Puzzles - by Publications International Ltd & Brain Games (Spiral Bound)

Brain Games - To Go - Forensic Puzzles - by Publications International Ltd & Brain Games (Spiral Bound)

The Total Brain Workout - by Marcel Danesi (Paperback)

Kakuro, Level One - (Absolutely Nasty(r)) by Conceptis Puzzles (Spiral Bound)

Brain Games - Picture Puzzles: Amazing Places - How Many Differences Can You Spot While Boosting Your Travel Trivia? - (Spiral Bound)

The Times Kakuro Book 2 - (Times Puzzle Books) (Paperback)

Brain Health Puzzles for Adults 2 - by Phil Fraas (Paperback)

Puzzling Escapes the Haunted House Mystery - by Beth Martin (Spiral Bound)

Lateral - Based on the Hit Podcast - by Tom Scott & David J Bodycombe (Paperback)

Brain Games - Picture Puzzles #4: How Many Differences Can You Find? - by Publications International Ltd & Brain Games (Spiral Bound)

Jammin' Jumble(r) - (Jumbles(r)) by Tribune Media Services (Paperback)

The Essential Book of Japanese Puzzles and How to Solve Them - by Gareth Moore (Paperback)

Puzzle Mania - by Sanjay Pappu (Paperback)

Brain Games - The Perfect Crime - by Publications International Ltd & Brain Games (Spiral Bound)

Who Dun It? Batman - by Jeff Chen (Paperback)

Brain Games - Ncis Puzzles - by Publications International Ltd & Brain Games (Spiral Bound)

The Sherlock Holmes Complete Puzzle Collection - (Y) by Tim Dedopulos (Hardcover)

Brain Games - Bible Puzzles (Includes a Variety of Puzzle Types) - by Publications International Ltd & Brain Games (Spiral Bound)

Killer Puzzles - by Archer Thorne (Paperback)

10-Minute Brain Games - by Gareth Moore (Paperback)