Other excellent language learning textbooks read before 2016.
French
- Hugo French in 3 Months by Ronald Overy, Jacqueline Lecanuet
German
- Kontakte: A Communicative Approach by Tracy D. Terrell, Erwin P. Tschirner, Brigitte Nikolai
Italian
- Da Capo: An Italian Review Grammar by Graziana Lazzarino, Annamaria Moneti
Japanese
- Japanese for College Students I by 国際基督教大学
- Japanese for College Students II by 国際基督教大学
- Japanese for College Students III by 国際基督教大学