I like David K. Reynolds' books:

http://www.amazon.com/Light-Waves-Tu...dp/0824823788/

http://www.amazon.com/Playing-Ball-R...dp/0688039138/

http://www.amazon.com/Water-Bears-No...dp/0688074480/

You can often find him in used book stores; I read almost all his books back in the 1980's/early 90's. He was part of a California movement back then called "Constructive Living": http://www.todoinstitute.org/constructiveliving.html