By Gary D. Robson (Author), Elijah Brady Clark (Illustrator) Watch where you step! Sometimes the animals in Yosemite National Park are hard to find, but you can almost always find their poop! Come along with Michael, Emily, and their family as they find poop (scat) and footprints (tracks) and discover which animal made them! ISBN-10 : 1560373180 ISBN-13 : 978-1560373186