Valais, Switzerland: An Undiscovered Swiss Canton
Valais West: Zinal - Arolla - Verbier - Rhone Valley. Rother Walking Guide
Walking in the Valais: 120 Walks and Treks (Cicerone Guides)
The Swiss Alps: coverage of each mountain range throughout the Swiss Alps (World Mountain Ranges)
Valais Alps 2015: A collection of pictures from the beautiful swiss alps (Calvendo Nature)
Walking in the Alps: A Comprehensive Guide to Walking and Trekking Throughout the Alps (Cicerone guides)
Lonely Planet Discover Switzerland (Travel Guide)
Lonely Planet Switzerland (Travel Guide)