Discover the down and dirty secrets of underground creatures in this vibrant picture book from a Caldecott Honor medalist.What young child doesn’t love playing in the dirt? And who hasn’t wondered what goes on in the lives of all the creatures who live underground?     Celebrated Caldecott Honor medalist Denise Fleming applies her signature bold and bright pulp-paper-collage style to a universal childhood topic in this dynamic, rhythmic book that’s just right for reading aloud—and comes complete with a detailed glossary.