2020 Spiral bound edition of Brain Games Find the Cat Challenge 160 Pages. From the back cover: You'll search high and low for signs of a hidden cat in each photo. With more than 125 full color puzzles and a complete answer key in the back, this book will keep you having fun. Research suggest a varied routine of regular mental exercise can help keep your brain feeling and acting healthier, so turn over a new leaf and try to find the cat.. See above photos for more content.