|Other Retailer||Price Checked Time||Their Price in NZD||Our Price|
|Amazon UK||5 days ago||39.22||$22.53||You save $16.69|
|Amazon US||today||24.13||$22.53||You save $1.60|
Michael Kahn received his Ph.D. in clinical psychology from Harvard University. A professor emeritus at the University of California, Santa Cruz, he presently maintains a private practice and also trains psychotherapists as the director of a counseling center at the California Institute of Integral Studies in San Francisco. He is the author of The Tao of Conservation.