The Passport To Your National Parks Junior Ranger Edition is your guide to exploring the incredible world of our national parks! For young people ages 6-13, the book is filled with fascinating information, wonderful color illustrations, fun activities, and amazing photos of our magnificent national parks. The Junior Ranger Editions has spaces to collect official national park cancellations, places to paste photos of your national park visits, and pages to collect the annual series of Junior Ranger Passport stickers.