Groundhog's Runaway ShadowBook - 2016
Little Phil Groundhog and his shadow do everything together, but when they grow up the more adventurous shadow wants to travel, so he leaves--but neither is happy, so Phil goes searching for his friend.
Publisher: Watertown, MA :, Charlesbridge,, 
Characteristics: 1 volume (unpaged) : color illustrations ; 29 cm
Alternative Title: Groundhog and Shadow