The thank you book /
by Mo Willems.
- 1st ed., May 2016.
- New York : Hyperion Books for Children, 2016.
- 57 p. : col. ill. ; 24 cm.
- Elephant & Piggie book .
- Willems, Mo. Elephant & Piggie book. .
May include a thank you card.
School Library Journal starred, June 2016 Horn Book, September 2016
"Piggie is determined to thank everyone she knows, but Gerald thinks she will forget someone important"--Provided by publisher.