Every year on February 2nd, people celebrate Groundhog Day. Tradition says that Punxsutawney Phil, the world's most famous groundhog, can predict when spring will arrive based on whether he sees his shadow when he comes out of his underground burrow. This top choice in Groundhog Day books for kids explains the holiday's history, traditions, and science--and includes interactive activities that encourage kids to celebrate at home or in their communities....