Kumar, Mr Kushal Brain Teaser Challenge: The Ultimate Puzzle Solving Adventure: Sharpen Your Mind with Fun, Addictive, and Challenging Puzzles for All Ages

Lahiri, Mr Biswabindu The Ultimate Puzzle Book: A Fun and Challenging Collection of Brain-Boosting Puzzles for All Ages: Engaging Word Games, Logic Puzzles, and Brain Teasers to Sharpen Your Mind and Keep You Entertained

KUMAR, MR MAHENDRA Sudoku Challenge: 41 Puzzles to Sharpen Your Mind": Easy to Hard Sudoku Puzzle Book for Adults & Teens Brain-Boosting Fun for Focus, Memory & Relaxation

Bhagat, Mr. Ritik Kumar Sudoku Puzzle Book for All Ages 30 Pages of Brain-Boosting Fun and Mind Challenge: Sharpen your mind with 30 fun-filled Sudoku puzzles! Ideal for all ... offering relaxing, screen-free entertainment.

Reang, Mr Dilip Kumar The Ultimate Brain Puzzle Book for Adults & Teens: Challenge Your Mind with Word Searches, Sudoku, Crosswords, and Logic Games Fun, Relaxing & Brain-Boosting Puzzles for All Skill Levels

Siddiqui, Mr Muhammad Nabeel Mind-Bending Puzzle Book: A Fun and Challenging Collection of Brain Teasers: Sharpen Your Mind and Boost Your Creativity with Puzzles and Challenges

Desai, Mr. Vishnubhai Babubhai Mind-Blowing Puzzle Book: Challenge Your Brain with Hours of Fun": : "Over 100 Brain Teasers, Riddles, and Puzzles to Sharpen Your Mind and Beat Boredom