Death in Yellowstone: Accidents and Foolhardiness in the First National Park, 2nd Edition (Death in the National Parks)

The Open Road: 50 Best Road Trips in the USA (Travel Guide)

Yellowstone Treasures: The Traveler's Companion to the National Park

National Geographic Yellowstone and Grand Teton National Parks Road Guide: The Essential Guide for Motorists (National Park Road Guide)

The National Parks Traveler's Companion: A Journal Featuring Bucket Lists, Writing Prompts, and Passport Stamp Logs

Roadside Geology of Montana

Ranger Confidential: Living, Working, And Dying In The National Parks

Moon Yellowstone to Glacier National Park Road Trip: Connect Montana & Wyoming’s 3 National Parks, with the Best Stops along the Way (Travel Guide)

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

Lonely Planet USA's National Parks (National Parks Guide)