This is one of a series of delightfully humorous tales for beginner readers from the award-winning creator of Don't Let the Pigeon Drive the Bus!Gerald is careful. Piggie is not. Piggie cannot help smiling. Gerald can. Gerald worries so that Piggie does not have to. 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! Can Piggie help her best friend? Told entirely in speech bubbles with a repetitive use of familiar phrases, this highly original book is perfect for children just learning to read.