1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults.

Sudoku Book for Adults - Large Print: Sudoku Puzzle Book with Solutions - The Perfect Challenge for All Skill Levels

The Ultimate Activity Book for Awesome Engineers: Tricky Brain Teasers, Mind Games and Logic Puzzle Book for Smart Adults (Perfect Gift for Engineers)

The Moscow Puzzles: 359 Mathematical Recreations (Dover Math Games & Puzzles)

The 125 Best Brain Teasers of All Time: A Mind-Blowing Challenge of Math, Logic, and Wordplay

The Impossible Man: Roger Penrose and the Cost of Genius

Math Games with Bad Drawings: 75 1/4 Simple, Challenging, Go-Anywhere Games―And Why They Matter

Sudoku Puzzle Book For Adults With Solution : A Book With two puzzles in one page from Easy to Hard For Seniors & Teens

How To Solve A Rubik's Cube For Kids: The Easiest Way Possible To Solve The Cube!

Things to Make and Do in the Fourth Dimension: A Mathematician's Journey Through Narcissistic Numbers, Optimal Dating Algorithms, at Least Two Kinds of Infinity, and More

Zen Genius Activity Puzzle Book for Adults: Large Print Logic, Math, and Word Puzzles for Relaxation

Winter Dot to Dot Book: Large Print Dot-to-Dots Puzzles For Adults and Seniors | Christmas Winter Season

Mind-Blowing Modular Origami: The Art of Polyhedral Paper Folding: Use Origami Math to fold Complex, Innovative Geometric Origami Models

2024 Sudoku Book for Adults: Sudoku Puzzles for Adults Large Print, Easy to Hard with full Solutions.

100 Hard Extreme Dot To Dot Puzzles Book: Exciting And Mindful Dot-To-Dot For Adults- More Than 90 With Christmas, Sports, People, Vehicles, ... And Relaxation (Extreme Dot To Dot Books)

1000+ Sudoku Puzzles for Adults: From Medium to Hard with Full Solutions

The Logic Puzzle Advent Calendar: Puzzle Book for Adults with Christmas-Themed Logic Grid Puzzles from Medium to Near Impossible (The Logic Puzzle Advent Collection)

Pocket Sudoku - a compact & travel-friendly puzzle book: only 4 x 6 inches in size | 5 Difficulty Levels | easy - normal - hard - very hard - extreme | 150+ Grids With Answers At The Back

Sudoku Puzzle Book For Adults (two puzzles in one page) : Easy to Hard For Seniors & Teens - Anti eye strain With Solution

The Art & Science of Geometric Origami: Create Spectacular Paper Polyhedra, Waves, Spirals, Fractals and More! (More than 60 Models!)

The Adventures of Penrose the Mathematical Cat

300+ Mathematical Pattern Puzzles: Number Pattern Recognition & Reasoning (Improve Your Math Fluency)

Activity Book For Kids Ages 8-12 Years Old: Fun and Challenging Activities, Puzzles, and Games for Amazing Boys and Girls: Mazes, Crosswords, Math Challenges, Word Searches, and More!

Absolutely Nasty® Kakuro Level Three (Absolutely Nasty® Series)

Logic Grid Puzzle Book for Smart Adults: Over 100 Fun and Challenging Logic Puzzles for Adults

Speedsolving the Cube: Easy-to-Follow, Step-by-Step Instructions for Many Popular 3-D Puzzles

201 Maths Activity Book: Fun Activities and Math Exercises

My Best Mathematical and Logic Puzzles (Dover Recreational Math) (Dover Puzzle Books: Math Puzzles)

Dot-to-Dot Beautiful Landmarks: Puzzles from 386 to 864 Dots

Logic Grid Puzzles: 50 Fun and Easy Puzzles for Beginners