math puzzle

Will Shortz Presents Extra Hot Sudoku: 200 Hard Puzzles - (Hard Sudoku) (Paperback)

The New York Times Best of the Week Series: Sunday Crosswords - (New York Times Crossword Puzzles) (Spiral Bound)

1000 Cryptogram Puzzles Brain-Boosting Word Challenges for Puzzle Lovers - (Paperback)

New York Times Games the Best Saturday Crosswords: 100 Hard Puzzles - (Paperback)

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

Literary Puzzle Book - by Neil Somerville (Paperback)

Adult Puzzle Book - by How2become (Paperback)

The New York Times Awesome Hard Crossword Puzzles - (Paperback)

Massive Book of Mensa(r) Puzzles (4 Books in 1!) - by David Millar & Fred Coughlin & American Mensa (Paperback)

Wordsearch - (Sirius Elegant Puzzles) by Eric Saunders (Paperback)

Brain Games - Birds Word Search Puzzles - by Publications International Ltd & Brain Games (Spiral Bound)

Themed Word Search Puzzle Book Vol. 1 - Large Print by Sally Dotty (Paperback)

Simon & Schuster Mega Crossword Puzzle Book #3 - (S&s Mega Crossword Puzzles) by John M Samson (Paperback)

Brain Games - Miracles of Jesus Word Search Puzzles - (Brain Games - Bible) by Publications International Ltd & Brain Games (Spiral Bound)

Gone Puzzlin' Ultimate Mixed Puzzles - (Brain Busters) by Parragon Books (Paperback)

Cipher Secrets Cryptogram Puzzles - by Sureshot Books Publishing LLC (Paperback)

The New York Times I Love Monday Crossword Puzzles - (Spiral Bound)

Large Print Summertime Word Search - (Large Print Puzzle Books) by Editors of Thunder Bay Press (Paperback)

Brain Games - Word Search Puzzles (Arrow) - by Publications International Ltd & Brain Games (Spiral Bound)

Wordsearch - (Sirius Elegant Puzzles) by Eric Saunders (Paperback)

Logic Puzzles Book for Brain Fitness - (Brain Fitness Puzzle Games) by Lana Barnes (Paperback)

The New York Times Large-Print Train Your Brain Crossword Puzzles - Large Print (Paperback)

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

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