In 1980 I recorded a one day workshop that Bill ran here in Nannup, Western Australia. He dwelt for considerable time on Fire.
To celebrate the southern summer approaching, I have converted this to MP3 for free download. It's in 2 parts.
Just go to http://www.permacultureplants.net/Audio/audio.htm and click on the links. Right hand click to download and save it.
Happy Listening - Jeff