Backpack Explorer: Discovering Trees encourages junior naturalists to step outside and get curious about the trees they see, whether in their backyard, in their neighborhood, in a park, or on a trail. With this take-along activity book--the fifth in the best-selling Backpack Explorer series from the Editors of Storey Publishing--kids will stop, look, listen, and touch as they search for leaves, count tree rings, notice the sound of birds or...