Across the Snowy Ranges: The Lewis and Clark Expedition in Idaho and Western Montana by James Fazio, Mike Venso, and Steve F. Russell. Hardcover. A pictorial overview of L&C crossing of the Bitterroot Mountains. It includes stunning color photographs and uncluttered maps with detailed topography. Woodland Press, Idaho.

Bitterroot Crossing: Lewis & Clark across the Lolo Trail, by Gene and Mollie Eastman. Maps and discussion about determining the Corps route and camps along the Lolo Trail. Volume is available from book retailers and Volume 2 is available directly from the authors.

The Clearwater Story: A History of the Clearwater National Forest by Ralph Space. USDA Forest Service Northern Region Pub 79-03. The history of the Clearwater National Forest written in the 1960's by Ralph Space, a former Forest Supervisor. For years Space was the authority and is quoted extensively by Gary Moulton. They are for sale at the Clearwater Historical Museum in Orofino for only $10. Call 208-476-5033 or by email: chmuseum@verizon.net.

Lewis and Clark across the Mountains: Mapping the Corps of Discovery in Idaho by Steve F. Russell. Printed by the Idaho State Historical Society in 2005. Russell’s maps include topography and discussion about determining the exact location the Corps traveled or camped. For sale as an Idaho Chapter fund raising project: $20 + $5 shipping.

Mystery Of Lost Trail Pass: A quest for Lewis and Clark's campsite of September 3, 1805 by James R. Fazio, ed., with Robert N. Bergantino, J. Wilmer Rigty, Hadley B. Roberts, Steve F. Russell, and James R. Wolf. An analysis of the where the Corps may travelled when they left the North Fork of the Salmon River. Several different theories are analyzed. Woodland Press, Idaho.

Along the Trail with Lewis and Clark by Barbara Fifer and Vicky Soderberg. Maps with descriptions of Lewis and Clark attractions and local amenities along the entire route.

Traveling the Lewis and Clark Trail, 4th edition by Julie Fanselow. Descriptions of Lewis and Clark attractions and local amenities along the entire route.

Clearwater Country: The traveler’s historical & recreational guide Lewiston, Idaho—Missoula, Montana by Borg Hendrickson and Linwood Laughy. The history of the Clearwater country organized by Highway 12 mile markers. A must for the Highway 12 historical traveler.

Hike Lewis and Clark’s Idaho by Mary Aegerter and Steve F. Russell. Maps, descriptions, and directions to the best trails in the Lolo Trail corridor. Many trails are close to the expedition route and others show case the feel of trekking through outdoor Idaho.

Bicycling the Lewis & Clark Trail by edited by Michael McCoy. One chapter describes traveling from Dillon, MT to Salmon, ID over Lemhi Pass and two chapters describe traveling north from Salmon to Lolo, MT. A fourth chapter describes biking from Missoula to Lewiston on Highway 12.

Following the Nez Perce Trail: A Guide to the Nee-Me-Poo National Historic Trail with Eyewitness Accounts by Cheryl Wilfong. Extremely detailed descriptions of locations with extensive historical background on the flight of the Nez Perce. One chapter covers the Lolo Trail as traveled in 1877.

On the River with Lewis and Clark by Verne Huser. Every aspect of the Corps boating down the Clearwater River is analyzed. All the other rivers traveled by the expedition are also covered.

Lewis and Clark’s Mountain Wilds by Sharon Anelia Ritter. A guide to plants and animals organized by location so that you can try to find them when you visit.

Elers Koch: Forty Years a Forester by Elers Koch. In this autobiography, the development of Forest Service management practices from 1903 to 1943 is covered. Includes the essay The Passing of the Lolo Trail.

The Lochsa Story: Land Ethics in the Bitterroot Mountains by Bud Moore. After two chapters coverting the Nez Perce and Lewis and Clark, Moore describes the settlement of the Lochsa featuring fur trapping, mining, hunting, and the development of Forest Service policies.

Lewis and Clark through Indian Eyes edited by Alvin M Josephy, Jr. More than half of the book is written from the viewpoint of Idaho tribes.

Do Them No Harm! Lewis & Clark among the Nez Perce by Zoa L. Swayne. Historical narrative founded on Nez Perce oral history.

The Fifth Generation: A Nez Perce tale by Linwood Laughy. Historical fiction that has a significant tie-in with the Corps of Discovery's stay with the Nez Perce.

The Journals of the Lewis & Clark Expedition, Volumes 5, 7, and 8, edited by Gary E. Moulton. Volume 5 covers the westbound passage and 7 and 8 cover the eastbound passage through Idaho.

The Journals of the Lewis & Clark Expedition, Volumes 9, 10, and 11 edited by Gary E. Moulton. The journals of Ordway, Gass, and Whitehouse, respectively.

In Nez Perce Country: Accounts of the Bitterroots and the Clearwater after Lewis and Clark, edited by Lynn and Dennis Baird. The Baird's have assembled journal entries from almost every traveler who ever wrote about their experiences on the historic Lolo Trails—Both the north route traveled by Lewis & Clark and the south route known today as the McGruder Corridor.

The Trail Between the Rivers: Volume 1, by Ted S. Hall. Topographic maps for those who are looking for campsites and possible hiking routes between them. Starts at Camp Fortunate, crosses Lemhi Pass into Idaho, heads north to the Bitterroot Valley, and then southwest across the Bitterroots on the Lolo Trail. StoneyDale Press Publishing, 2000.