In this STEM-powered picture book, gravity becomes a very personal subject for a girl as she stumbles and tumbles through a long day. When Leda wakes up by falling out of bed, she knows that gravity must be in a very bad mood. Sure enough, she struggles with stumbles and bumbles at home, on the bus, in the classroom, at recess and lunch A lesson on gravity illuminates what's going on. And after a visit to a science center, Leda and gravity are both...