Le Bon Usage (French Edition) by Maurice Grevisse is a comprehensive grammar book published by Duculot in 1994. This revised edition features 1762 pages of in-depth French language study, making it an essential resource for foreign language learners. With a focus on French language grammar rules and written in French, this hardcover book serves as the ultimate reference for those looking to improve their language skills. Written by renowned author Maurice Grevisse, this book is a valuable tool for anyone interested in mastering the French language.