Waiting is Not Easy (An Elephant & Piggie Book)
by Mo Willems
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 Waiting Is Not Easy!, Piggie has a surprise for Gerald, but he is going to have to wait for it. And Wait. And wait some more...