MindTwisting 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 The Great Big Book of Really Hard Puzzles: 256 Pages of Mind-Twisting Mazes, Logic Games and Hidden Pictures Puzzles, Highlights Activity Book for Kids Ages 8 and Up (Great Big Puzzle Books) Added to wishlistRemoved from wishlist 0 Add to compare $12.99 $8.21 37%