Non-Fiction Books in Order

The recommended reading order for the Non-Fiction series is publication order: 1. Personality Types (With: Don Richard Riso) (1987), 2. Discovering Your Personality Type (With: Don Richard Riso) (1992), 3. Personality Decoder (With: Don Richard Riso) (1999), 4. The Wisdom of the Enneagram (With: Don Richard Riso) (1999), 5. Understanding the Enneagram (With: Don Richard Riso) (2000), and 3 more. This is generally the best way to experience the story as the author intended.

The Non-Fiction series by Russ Hudson contains 8 books. The series began in 1987 and continues to be a popular choice for readers.

The Non-Fiction series is written by Russ Hudson. You can find more books and series by this author on our website.