| | Views | Cover | Author | Title | Published | Format | Updated | Thank_to |
| 2117293 | 42 |  | Gary Gruber | The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain | 2010 | pdf | 4/23/2024 4:16:56 AM | eternal |
| 2117288 | 24 |  | Rebecca Rapoport and J.A. Yoder | Math Lab for Kids: Fun, Hands-On Activities for Learning with Shapes, Puzzles, and Games | 2017 | pdf | 4/23/2024 3:41:52 AM | eternal |
| 2117285 | 51 |  | Terry Stickels | The Big Book Of Mind-Bending Puzzles,2008 | 2008 | pdf | 4/23/2024 3:24:54 AM | eternal |
| 2117283 | 38 |  | Lisa Regan | Mind-Bending Math Puzzles | 2019 | epub | 4/23/2024 2:59:15 AM | eternal |
| 2117203 | 44 |  | Danielle Hall | The 100 Best Brain Teasers for Kids: A Mind-Blowing Challenge of Wordplay, Math, and Logic Puzzles | 2021 | pdf | 4/22/2024 3:45:54 AM | eternal |
| 2116441 | 112 |  | John Bremner | Mensa New Number Puzzles | 1997 | pdf | 4/16/2024 6:17:19 AM | eternal |
| 2112028 | 130 |  | Fred Adams | Cosmic Update: Dark Puzzles. Arrow of Time. Future History | 2012 | pdf | 3/27/2024 8:14:56 AM | eternal |
| 2107778 | 127 |  | Naoki Inaba, Ryoichi Murakami | The Big Puzzle Book of Area Mazes: 300 Mind-Bending Puzzles in Five Challenge Levels | 2022 | epub | 3/6/2024 9:14:25 AM | eternal |
| 2107777 | 106 |  | Naoki Inaba | The Original Area Mazes: 100 Addictive Puzzles to Solve with Simple Math-and Clever Logic! | 2017 | pdf | 3/6/2024 9:09:42 AM | eternal |
| 2107776 | 76 |  | Naoki Inaba, Ryoichi Murakami | The Original Area Mazes, Volume 2: 100 More Addictive Puzzles to Solve with Simple Mathand Clever Logic! | 2018 | pdf | 3/6/2024 9:03:54 AM | eternal |
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