Textbook
Le Français Interactif is available online. You can order the print on demand book for less than $40.00 at www.lulu.com. If you order your book, know that it will take five days to come, but the text is online to hold you over until it comes.
Website
Le Français Interactif is available online at http://www.laits.utexas.edu/fi/
Grammaire de l'absurde is available online at https://www.laits.utexas.edu/tex/gr/