source for rocket stove book?

I'm only seeing a $100 version on amazon... as an out of print verison.
Can someome provide a link to purchase?  thanks.

http://www.amazon.com/Rocket-Mass-Heaters-Superefficient-Woodstoves/dp/0966373839/ref=sr_1_1?ie=UTF8&s=books&qid=1309205864&sr=8-1

$17, 2nd edition

if you perfer an ebook http://www.rocketstoves.com/

thanks guys - I just ordered a copy.

I can't explain why I couldn't successfully preform the simplest search in the world myself - maybe a previous bad search was cached on my compluter and I wasn't getting fresh results or something.  Anyway - thanks again...

There is also this one available.