Backpack Explorer: Discovering TreesBackpack Explorer: Discovering Trees encourages junior naturalists to step outside and get curious about the trees they see, whether in their backyard, in their neighbourhood, 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 wind in