Arditti's Orchid Biology: Reviews & Perspectives. I have copies of Volumes 3 & 4 for sale @ $ 25 each + shipping. Both titles are in print @ $ 65 each. These are new copies in dj's. Contact me at gwayner at peop.tdsnet.com. Also, I would be glad to email my catalog to anyone interested in either ascii or winword format. Thank you,