puzzle mathematics

Hard Sudoku Puzzle Book - by Sorens Books (Paperback)

Brain Games - Relax and Solve: Crossword Puzzles (Pattern Cover) - by Publications International Ltd & Brain Games (Spiral Bound)

The Official Wordscapes Puzzle Book Volume 2 - by Peoplefun (Paperback)

Will Shortz Presents Fireside Sudoku: 200 Easy to Hard Puzzles - (Easy to Hard Sudoku) (Paperback)

The New York Times Crosswords for Your Lunch Hour - (New York Times Crossword Puzzles) (Paperback)

Puzzle Baron's Logic Puzzles, Volume 2 - (Paperback)

The New York Times Monday Through Friday Easy to Tough Crossword Puzzles Volume 8 - (Spiral Bound)

Brain Games - Large Print Sudoku Puzzles (Green) - (Brain Games Large Print) by Publications International Ltd & Brain Games (Spiral Bound)

The New York Times Large-Print Crossword Puzzle Omnibus Volume 12 - (Paperback)

The New York Times Easy as Pie Crossword Puzzles - (New York Times Crossword Puzzles) (Paperback)

Brain Games - Find the Cat Puzzles - (Brain Games - Picture Puzzles) by Publications International Ltd & Brain Games (Spiral Bound)

Great American Road Trip Puzzle Book - (Great American Puzzle Books) by Applewood Books (Paperback)

Connect with Calm: Dot-To-Dot Puzzles for Relaxation - by Conceptis Puzzles

Crossword Puzzles for a Road Trip - (Puzzlewright Junior) by Trip Payne (Paperback)

Brain Games - To Go - Summer Fun Puzzles 180+ Variety Puzzles Compact & Portable for Travel Beach, Vacation & Road Trip Activity Book Gift for

Large Print Word Search Puzzles 5 - by John Chaneski & Mark Danna (Paperback)

The New York Times Greatest Hits of Wednesday Crossword Puzzles - (Paperback)

The Shakespeare Puzzle Book - by Roland Hall (Paperback)

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

500 Puzzles for Wordle Lovers - by Rick Carlile (Paperback)

Large Print Sudoku Puzzles Green - (Brain Busters) by Parragon Books (Paperback)

Big Book of Ultimate Killer Su Doku Book 1 - (Richardson Puzzle Books) by Richardson Puzzles and Games (Paperback)

Will Shortz Presents I Can Kenken!, Volume 3 - by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

Cryptograms Puzzle Books - Large Print by Dp Puzzles and Games (Paperback)