Author:  Willems, Mo 
Picture storybooks
Published on 20 December 2012 by Walker Books Ltd in the United Kingdom as part of 'the Elephant and Piggie' series.

Paperback | 64 pages
227 x 167 x 6 | 188g
Early chapter readers from a bestselling and critically acclaimed authorWinner of Theodor Seuss Geisel Award for the Most Distinguished Book for Beginning Readers. Told entirely in speech bubbles with a repetitive use of familiar phrases, this highly original book from the award-winning author of Don’t Let the Pigeon Drive the Bus! is perfect for children just learning to read. Gerald and Piggie are best friends. In There's a Bird on Your Head!, Gerald discovers that there is something worse than a bird on your head – two birds on your head!