The Kids' Passport To Your National Parks Companion is the perfect way to enhance your kids' experiences in our national parks! This 100-page book is to be used with the original Passport To Your National Parks. It contains checklists of many of the national parks in the country, a place to list the Junior Ranger programs your child completes, a field journal, and much more! Your kids can keep track of the memories they make while visiting our national parks!