Mindworks Brain Training: Perceptual Puzzles is an accessible but stimulating collection of brain-training puzzles, designed by a team of experts specifically to train your right-brain perception abilities. Each puzzle has a difficulty rating and a suggested time limit, so that you can easily find puzzles that suit your current skill level and progress to more challenging ones as your mental agility increases. THIS BOOK INCLUDES • Over 125 full-colour puzzles • Solutions with comprehensive explanations • A graded difficulty-rating system.