Opposite best friends Gerald, who is careful and worrisome, and Piggie, who is clumsy and carefree, run into a problem when two birds land on Gerald's head.

Gerald, a cautious and pessimistic elephant, believes he is allergic to his best friend, the optimistic and occasionally reckless Piggie, and is concerned that he will need to stay away from his pal forever.

Needing to brush his teeth, a bus driver asks the reader to make sure that the pigeon goes to bed on time--but the bird has many excuses about why it should stay awake.

Piggie introduces her reluctant friend, Gerald the elephant, to the wonderful world of pretend.

Can the friendship of best friends Harold and Hog, a carefree elephant and a careful hog, survive a game of pretending to be Mo Willems's Elephant and Piggie?

Piggy loves to dance and wants to teach everyone, including her best friend, Gerald the elephant.

Squirrel friends introduce some new emotions to Zoom Squirrel. Zoom Squirrel wants to feel brand new emotions. The Squirrel pals know just what to do! But what happens if Zoomy doesn't like these new feelings? Do you know more about feelings than the Squirrels do? You will by the end of this book!

Tiger unwittingly helps some worms overcome their fear of tigers with a well-placed, informative book, but will a wormy hug aid a fearful Tiger?