Johnsen's essays have appeared in numerous magazines including Yoga International, Yoga Journal, and Yoga Plus, as well as in many anthologies. Her books include:
- Daughters of the Goddess: The Women Saints of India (1994)
- The Living Goddess (1999)
- Meditation is Boring? Putting Life in Your Spiritual Practice(2000)
- The Complete Idiot's Guide to Hinduism (2002)
- Alpha Teach Yourself Yoga (2003)
- A Thousand Suns (2004)
- Lost Masters: Sages of Ancient Greece (2006)
- Kirtan! Chanting as a Spiritual Path (2007)
- A Thousand Suns: Designing Your Future With Vedic Astrology
- Fearless Living: Yoga and Faith (editor, 2005)