Instant Teaser

Audible

Instant Recall: Tips and Techniques to Master Your Memory

StumpedBooks

#STUMPED: Instant Party Riddles for Teens and Adults

Independently published

Instant Win: 101 Mate in 1 Exercises            

Independently published

Sudoku Shorts: Quick Challenges for Instant Brain Boosts

Independently published

Sudoku Shorts: Quick Brain Teasers for Instant Fun

Mind Stretchers 2010 Moss Edtion 232 pages of Crosswords puzzles, word searches, sudoku mazes, word games, instant brain teasers, logic challenges (2010 Moss Edtion)

Independently published

Ultimate Nostalgia Crosswords: LGBT Pride Edition: – Pride Trivia, Crossword & Word Games | Instant Download for Parties or Self-Care

Independently published

sudoku 200 Easy Puzzles Large Print: Become and Instant Sudoku Player [Lingua Inglese]

Independently published

Pocket Sudoku is designed to go anywhere | Vol.3 | Only 4 x 6 inches in size | 4 Difficulty Levels | easy to hard | 130+ Grids With Answers at the ... with these increasingly complex puzzles.

Independently published

Pocket Sudoku is designed to go anywhere |Vol.2 | Only 4 x 6 inches in size | 4 Difficulty Levels | easy to hard | 130+ Grids With Answers at the ... and impress friends with your sudoku prowess