Logic Games for Adults: Triplet Puzzles - 200 Logic Grid Puzzles With Answers (Logic Puzzle Books)

Relaxing Brain Games & Puzzles For Adults: Word Search, Picture Puzzles, Logic Games, Sudoku, Memory Games and Much More

Mind Puzzles for Adults: Kropki Sudoku Puzzles - 200 Brain Puzzles with Answers: 3 (Logic Puzzle Games)

Brilliant Brain Games and Puzzles for Adults: With Full-Color Picture Puzzles, Word Searches, Logic Puzzles, Sudoku and Much More

Relaxing Brain Games for Adults: 100+ Logic, Math, and Word Puzzles to Help You Unwind

Kakuro Logic Puzzles: 500 Easy to Hard :: 9x9 puzzles :: Keep Your Brain Young: 12 (Brain Games for Adults)

Masyu Logic Puzzles: 500 Easy to Hard :: Keep Your Brain Young: 15 (Brain Games for Adults)

Futoshiki Logic Puzzles: 500 Easy to Hard :: Keep Your Brain Young: 11 (Brain Games for Adults)

Shikaku Logic Puzzles: 500 Easy to Hard (10x10) :: Keep Your Brain Young: 17 (Brain Games for Adults)

300 Sudoku with Letters: Letter Sudoku Variety Logic Puzzles (Brain Training Games with Wordoku Puzzle Books for Adults)

Nurikabe Japanese Logic Puzzles: Medium Difficulty Nurikabe Games for Adults. Travel Size with Solutions Included. Easy to Read.

Calcudoku Logic Puzzles: 500 Easy to Hard (9x9) :: Keep Your Brain Young: 19 (Brain Games for Adults)

Minesweeper Logic Puzzles: 500 Easy to Hard (10x10) :: Keep Your Brain Young: 20 (Brain Games for Adults)

Brain Games and Riddles For Teens and Adults: 350 puzzles, "Brain Teasers, Logic Puzzles, and Riddles: Challenging Exercises from Beginner to Expert for Curious Minds"

Mathematical Logic Puzzles for Adults, Seniors and Teens: Killer Sudoku, Calcudoku and Kakuro - 120 Large Print Math Games to Test Your Calculation and Logic Skills

Suguru Puzzle Books For Adults: 501 Medium to Hard Puzzles, 8x8 to 12x12 Grids, Mathematical Logic Brain Teaser Games

Thinkfun Geologic Logic Puzzles Brain Games for Kids and Adults Age 8 Years Up - STEM Toys [Amazon Exclusive]

Suguru Puzzle Books For Adults: 501 Easy to Medium Puzzles, 8x8 to 12x12 Grids, Mathematical Logic Brain Teaser Games

Easy Puzzles and Brain Games for Adults: Includes Word Search, Find the Differences, Sudoku, Logic Puzzles, Memory Games, Crosswords, Odd One Out, ... Odd One Out, Trivia Matching and More

Mind Gym: Puzzles & Games for the Grown-Up Brain: Over 160 Challenging Activities for Adults and Seniors Including: Crossword and Logic Puzzles, Mazes, Sudoku, and Word Searches

600 Medium to Very Hard Futoshiki for Adults: aka Hutosiki, Inequality or More or Less, These Math Logic Puzzles are Fun Brain Games to Keep Your Mind Active. (Futoshiki Logic Puzzle Books for Adults)

Suguru Puzzle Books For Adults: 501 Easy to Hard Puzzles, Volume 3, 8x8 to 12x12 Grids, Mathematical Logic Brain Teaser Games

Suguru : Number Blocks Logic Puzzles: 500 Easy to Hard (10x10) :: Keep Your Brain Young: 24 (Brain Games for Adults Series)