Enlarged Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Logic Puzzles Book for Brain Fitness: 90-Day Challenge to Sharpen the Mind and Strengthen Cognitive Skills Enlarged Print, Easy to Hard! (Brain Fitness Puzzle Games) Added to wishlistRemoved from wishlist 0 Add to compare $13.99 Original price was: $13.99.$8.42Current price is: $8.42. 40%