A BOOK - HERVE TULLET

Take “A book”. Turn the page, and a yellow spot appears. Below, a small text invites you to press it. You do it, and, surprise, turning the page it seems to have split. Start again as you are told, and it split again. So you have three identical yellow spots on this new page. We invite you to rub the one on the left, and turning the page it turns red. Then try the same with the one on the right and it turns blue. With these six...