Death in Yellowstone: Accidents and Foolhardiness in the First National Park (Death in the National Parks)

Yellowstone National Park Map (National Geographic Trails Illustrated Map, 201)

USA National Parks: Lands of Wonder

Yellowstone Heart Song (Yellowstone Romance Book 1)

Yellowstone National Park Travel Guide for Families : Organize a safe, stress-free family adventure with secret viewpoints, hidden wildlife spots, and essential crowd-avoidance tips | Maps Included

Yellowstone National Park Travel Guide Made Easy: Craft Your Perfect 1-7 Day Itinerary, Explore Yellowstone’s Best-Kept Secrets, Skip Stressful Traffic, and Make Memories with any Travel Situations

Ranger Confidential: Living, Working, and Dying in the National Parks

Yellowstone & Grand Teton. The Essential National Parks Travel Guide: Full-Color Maps, Day-by-Day Itineraries, Wildlife Watching, Scenic Drives & Geysers from Old Faithful to the Tetons

Fodor's Montana & Wyoming: with Yellowstone, Grand Teton, and Glacier National Parks (Full-color Travel Guide)

Lonely Planet Yellowstone National Park Planning Map