R. Anthony Lodge's book here aims to overturn conventional myths about the rise of standard French as the gradual “refinement” of the language, the creation of something objectively wonderful. Using the framework of sociolinguistics, he shows how the language has evolved under shifting social and political pressures, and French today is simply the outcome of the French monarchy's gradual expansion over the whole of the country as we know it today, and the subsequent institutionalized linguistic prejudices of the French Revolution (“la langue doit être une comme la
République”).
Based on the work of Haugen and (to a somewhat lesser degree) Labov, Lodge's historical sociolinguistic survey is certainly wide-ranging. He takes us from the Latinization of Gaul under the Roman Empire to the resistance of anglicisms in the 20th century. Through the centuries, he quotes documentation (letters, grammatical treatises) that reflect what those in power thought about acceptable speech, and there are some nice maps showing the shifting populations of French and "patois" speakers over time.
While informative (at least in offering citations to follow up on), I found Lodge's book somewhat repetitive and longwinded. A major downside is that, except for the chapters on the last 200 years or 2000, the author does not present much non-standard French, helping to show what varieties exactly were ousted by the prestige language. Furthermore, the book was first published in 1993 and a second edition would be welcome, as France's Arab and Sub-Saharan African immigrant populations are no longer hidden away, but today have come to influence the general discourse.