Your head will spin when you look at this amazing book. Each page has a unique paper-engineering element that allows you to flip, spin, and even turn the picture to see something completely different. Is that a horse peeking his head above the fence? Turn the disc and spin-?it's a squirrel! Is that a bird flying in the sky? Pull the tab and flip-?it's a fish! Kids and parents alike will be amazed by these optical illusions. Be prepared to flip over this book!