There Is a Bird on Your Head! (an Elephant and Piggie Book) by Mo Willems
Gerald the elephant discovers that there's something worse than a bird on your head: two birds on your head! Gerald and Piggie are best friends!
Gerald is careful. Piggie is not.
Piggie cannot help smiling. Gerald can.
Gerald worries so that Piggie does not have to.
In There Is a Bird On My 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?