is based on the idea that the quickest route to learning French is through a solid grounding in grammar basics. This is the bestselling French book on Amazon.com (paid link).
French Grammar Keep the rules of French grammar handy with this bestselling laminated chart (paid link).
501 French Verbs As you get more advanced in your French studies, you'll want to have a copy of this book around. On each page is a chart that shows all the forms of one particular verb (paid link).
The Well-Trained Mind: A Guide to Classical Education at Home This is perhaps the most popular homeschool curriculum guide available (paid link).