brain puzzles

Tesla Puzzles - (Sirius Classic Puzzles) by Barry R Clarke (Paperback)

241 Real-world Brain Teasers. - by Invent and Discover (Paperback)

How to Think - Tactical Thinking Puzzles - by Charles Phillips (Paperback)

Sherlock Holmes: Mind Palace Puzzles - by Tim Dedopulos (Paperback)

Patchwork Puzzles - by Eric Berlin (Paperback)

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

Only the Hardest Puzzles - by Willa Chen (Paperback)

Royal Gambits Chess Puzzle - by Sureshot Books Publishing LLC (Paperback)

Will Shortz Presents I Can Kenken!, Volume 2 - (Will Shortz Presents...) by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

Elite Wordle Challenge - (Puzzle Challenge) by Roland Hall (Paperback)

Will Shortz Presents Sweater Weather Sudoku: 200 Challenging Puzzles - (Hard Sudoku) (Paperback)

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

Sherlock Holmes Wordsearch Puzzles - (Sirius Classic Puzzles) by Eric Saunders (Paperback)

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

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

Will Shortz Presents the Zen of Kenken - by Tetsuya Miyamoto & Kenken Puzzle LLC (Paperback)

The Turing Tests: Expert IQ Puzzles - by Eric Saunders (Paperback)

Big Book of Super Fiendish Su Doku Book 2 - (Richardson Puzzle Books) by Richardson Puzzles and Games (Paperback)

New York Times Best of Thursday Crosswords - (New York Times Crossword Puzzles) (Paperback)

Crosswords - (Christmas Puzzle Collection) by Eric Saunders (Paperback)

Intermediate Chess Puzzles - (How to Beat Anyone at Chess) by Martin Bennedik (Paperback)

Large Print Word Search Puzzles - by Mark Danna

5-Minute Wordsearch (Includes Ball-Point Pen) - (5-Minute Puzzles) by Eric Saunders (Paperback)

Wild Sudoku Variants - by Conceptis Puzzles (Paperback)