David Sievert Lavender was a well-known historian of the Western United States, nominated twice for the Pulitzer Prize, who is best remembered by many for his River Runners of the Grand Canyon.
Lavender spent most of his life in Ojai, California. An articulate and deeply knowledgeable speaker on the political and social history of the American West, he often spoke at the annual Telluride Film Festival.
This book is over 20 years old, so it's a little out-of-date. But it's still fun - I found some of the places I used to really enjoy or like that are no longer there