NATIONAL BESTSELLER • Say “happy birthday,” Dr. Seuss-style! This fun-sized pop-up birthday book whisks readers away on the most spectacular birthday of all time—and reminds them to celebrate themselves every day of the year! I wish we could do what they do in Katroo. They sure know how to say “Happy birthday to you!” When the Great Birthday Bird of Katroo arrives to usher in your “Day of all Days,” you can expect a colorful romp full of fantastical fun that is all about YOU! Treat yourself to flowers that smell like licorice and cheese. Pick out the world’s tallest pet—or a nice Time-Telling Fish. Then prepare for a party so grand it will take twenty days just to sweep up the mess. Featuring birthday festivities on every page, this joyful classic from the one and only Dr. Seuss rejoices in the person you were born to be! Today you are you! That is truer than true! There is no one alive who is you-er than you!