Those who don't know a thing about yoga, and those who think they've seen it all will find much to appreciate in the Keep It Simple Series (KISS) Guide to Yoga. This 380 page book offers a panoramic view of yoga from its ancient roots to the most up-to-date practices. The KISS Guide to Yoga is light and fun to read, without compromising the essence of yoga.
http://www.spiritvoyage.com/yoga/K-I-S-S-Guide-to-Yoga/Shakta-Kaur-Khalsa/BKS-009003.aspx