You can also find a good introduction to libertarian municipalism in a translated version of a book that Janet Biehl wrote, and there is a book of Chaia Heller that has been translated in French.
Or you can read some texts online...
Textes de Vincent Gerber:
L'écologie sociale, ou l'utopie réalisable d'une société écologique
Apprendre à decider
Entretien avec Murray Bookchin par Janet Biehl (1996)
