Höhenwege im Wallis
Author(s): Rose Marie & Gerhard Bleyer
Publisher, year: Bruckmann, 2000

Available in German at Amazon.fr and Amazon.de.

Gipfelziele im Tessin
Author(s): Daniel Anker
Publisher, year: Natur Punkt, 2001

Available in German at Amazon.fr and Amazon.de.

Lago Maggiore - Die schönsten Tal- und Höhenwanderungen
Author(s): Jochen Schmidt
Publisher, year: Bergverlag Rother, 2001. Check out the new German edition (2009)

Available in German at Amazon.com, Amazon.fr and Amazon.de.

Aostatal - die schönsten Tal- und Höhenwanderungen
Val d'Aoste - Les plus belles randonnées pédestres
Author(s): Johannes Führer
Publisher, year: Bergverlag Rother, 1995. Check out new editions in French and German (both 2010)

Available in French at Amazon.fr. In German at Amazon.de or Amazon.com.

Unterengadin - Die schönsten Tal- und Höhenwanderungen
Author(s): Rudolf & Siegrun Weiss
Publisher, year: Bergverlag Rother, 2002. Check out the new German edition (2008)

Available in German at Amazon.com, Amazon.fr or Amazon.de.

Oberengadin - Die schönsten Tal- und Höhenwanderungen
Author(s): Rudolf & Siegrun Weiss
Publisher, year: Bergverlag Rother, 2002. Check out the new German edition (2007)

Available in German at Amazon.com, Amazon.fr or Amazon.de.

Surselva - Die schönsten Tal- und Höhenwanderungen
Author(s): Rolf Goetz
Publisher, year: Bergverlag Rother, 2003. Check out the new German edition (2007)

Available in German at Amazon.com, Amazon.fr or Amazon.de.

Paradis sauvages de Suisse
Urlandschaften der Schweiz
Author(s): Heinz Staffelbach
Publisher, year: AT Verlag mit Pro Natura, 2004/2005

Available in French at Amazon.fr or in German at Amazon.de.

Gruyère-Diablerets - Les plus belles randonnées pédestres
Gruyère-Diablerets - Die schönsten Tal- und Höhenwanderungen
Author(s): Anker/Schnegg
Publisher, year: Bergverlag Rother, 2006. Check out the new French edition (2009)

Available translated in French at Amazon.fr.
Also available in the original German version at Amazon.de.

With strolls ans hikes between Fribourg, my region of Montreux and the Vaud Alps.

100 hut walks in the Alps
Author(s): Kev Reynolds
Publisher, year: Cicerone, 2000/2005

Available at Amazon.co.uk and Amazon.com.
Also available at Amazon.fr and Amazon.de.

Includes most of the huts of Valais and Bern that I've included on this site. Actually the book covers the whole Alps massive, so besides Switzerland, you'll find a chapter for Italy, France, Austria and Slovenia (but not Germany).