The Dobsonian Telescope: A Practical Manual for Building Large Aperture Telescopes.
Authors David Kriege and Richard Berry.
Hardcover.
Near new condition.
Pretty much considered the definitive book on the dobsonian.
Asking $30 plus post.
Weighs about 900gm so postage in a standard AP satchel will be about $13.
http://www.willbell.com/TM/dobtel.htm
PM me.
Thanks for looking,
gb.