Every February 2, residents of Punxsutawney, Pennsylvania awaken a groundhog from its winter’s nap. According to lore, if the groundhog casts a shadow, then six more weeks of winter lie ahead. If not, then residents can look forward to an early spring. This Groundhog Day tradition has roots in the behavior of real groundhogs, which briefly emerge from hibernation in late winter before returning to their burrows for the rest of the season. Clear text and colorful photos and diagrams will engage young readers as they learn about the natural habitat, physical characteristics, diet, and behavior of groundhogs. Age-appropriate activities and critical-thinking questions give readers a chance to make observations and gain insights beyond the facts and figures.