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Idaho River Publications LLC - Ketchum/Sun Valley based Idaho River Publications (IRP) was established in 2006 by photographer and river guide Matt Leidecker. IRP publishes high-quality, map-based “comprehensive” guidebooks for use in both river and mountain environments.

The word "comprehensive" is an important element in the title of all IRP guidebooks. With an undergraduate degree in geology from Middlebury College, Matt’s original intent was to include new research about the canyon geology in The Middle Fork of the Salmon River - A Comprehensive Guide. While researching along the Rogue River in Oregon, Matt realized the deep historical connection people had to the river so he included an extensive historical section in The Rogue River - A Comprehensive Guide from Prospect to Gold Beach.

In Exploring Sun Valley Matt continued to add more "comprehensive" information with several wildflower identification pages in addition to the history and geology sections. The resulting book provides readers a more complete understanding of the greater Wood River Valley than any other guidebook on the market. The comprehensive nature of IRPs guidebooks combine focused information about a region that previously would require the purchase of two or three different titles. To learn more about IRPs three popular guidebooks click on the links below:
In addition to these titles, the company also sells a number of other books related to the river and mountain environment including: Please visit our Online Bookstore to learn more, or to purchase the books using PayPal.