puzzle mathematics

Bible Power Puzzles - Large Print by Diego Jourdan Pereira (Paperback)

Simon & Schuster Mega Crossword Puzzle Book #19 - (S&s Mega Crossword Puzzles) by John M Samson (Paperback)

Easy Large-Print Word Puzzles for Adults - by Rockridge Press (Paperback)

Mensa(r) Kakuro - by Conceptis Puzzles (Paperback)

Crossword Puzzle Book for Adults - by Rafael Shamay (Paperback)

Simon & Schuster Mega Crossword Puzzle Book #15 - (S&s Mega Crossword Puzzles) by John M Samson (Paperback)

Puzzles for Mindfulness - by Eric Saunders (Paperback)

Simon & Schuster Crossword Puzzle Book - (Simon & Schuster Crossword Puzzle Books) by John M Samson (Spiral Bound)

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

The Imperial War Museums Code-Breaking Puzzles - by Imperial War Museum & Richard Wolfrik Galland (Paperback)

The New York Times Easy Crossword Puzzle Omnibus Volume 1 - (Paperback)

Challenging Puzzles - (Y) by Matthew Donegan (Paperback)

The New York Times Supersized Book of Sunday Crosswords - (New York Times Crossword Puzzles) (Paperback)

Tricky Logic Puzzles for Adults - by Steven Clontz (Paperback)

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

Will Shortz Presents Puzzles from the World Sudoku Championship - (Will Shortz Presents...) (Paperback)

The New York Times a Puzzle a Day - (Paperback)

Murder Most Puzzling - (Sirius Classic Puzzles) by Joel Jessup & John Jessup (Paperback)

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

The New York Times Serene Sunday Crossword Puzzles - (Paperback)

The Art of Mixology: Word Search Intoxicating Puzzles - (Brain Busters) by Parragon Books (Paperback)

The New York Times Sunday Morning Crossword Puzzles - (Paperback)

Quote Acrostic Favorites - (Puzzle Books for Fun) by Charles Preston (Paperback)

The New York Times Piece of Cake Crosswords - (New York Times Crossword Puzzles) by New York Times & Will Shortz (Paperback)