The bestselling picture book from Herve Tullet is back in board book form here. Pressing a yellow dot in the book's centre triggers a magical journey of colour, imagination and interactivity, all of which occurs on the flat surface of the page Adapted from the hardcover edition published in the United States of America in 2011. Originally published in France as a board book in 2018, and as a hardcover in 2010, by Bayard /74/Editions under the title Un livre.--Back cover.