Crabb, Riley H.: Meeting on the Moon. At the Mars stronghold, flying saucers 1959-1969.

Adapted from talks by Crabb during 1968-1969.
1969, Borderland Sciences Research Foundation, Vista, California. 
Probably 1st edition, Stapled, 48 pages, 8½x11 size. (green cover)

Second edition, 1980, BSRF, Vista, California. Also 48 pages (pink cover)