PRICES MAY VARY. This book blends art with the captivating science of optical illusions, promising great fun along the way. I aim to be generous with my insights, revealing some big secrets that will help you amaze your friends and family with your creations. I've crafted this book to ensure that, regardless of your artistic prowess, you can still dive in, create, and have a blast. Whether you're a bright-eyed six-year-old, a curious pre-teen, or a seasoned teenager and beyond, this book is…