01015cam a2200289 4500 66820446 TxAuBib 20070531120000.0 070531s2007||||||||||||||||||||||||eng|u 2006049582 9781423102977 $8.99 1423102975 $8.99 DLC DLC NjBwBT TxAuBib Willems, Mo. My friend is sad / by Mo Willems. 1st ed. New York : Hyperion Books for Children, 2007. 1 v. (unpaged) : col. ill. ; 24 cm. Elephant & Piggie book, An When Gerald the Elephant is sad, Piggie is determined cheer him up, but finds after many tries that it only takes the simplest thing to change Gerald's mood. 20070531. Pigs Fiction. Elephants Fiction. Emotions Fiction. Friendship Fiction. An Elephant & Piggie book.