There are dog parks in all but three states, and an increasing number of the nation’s 65 million dog owners are discovering their various pleasures. In this first-ever children’s book about dog parks, dogs Sam and Lucy eagerly take part in a dog fiesta of movement and fun, running off-leash, free to cavort, to meet and greet, to leap and chase. The final page has information for those adults who haven’t yet been to one about what to expect at a dog park and how to...