[1] It deals with a fantastic land called Katroo, where the Birthday Bird throws the reader an amazing party on their special day.

It consists of a running description of a fantastical celebration, narrated in the second person, of the reader's birthday, from dawn to late night.

A popular Seuss paragraph in this book reads: "Today you are you, that is truer than true.

was not directly adapted, The Birthday Bird appears in an episode of The Wubbulous World of Dr.

[3] The book is dedicated to the author's "good friends" and "The Children of San Diego County".