Palo Alto, CA: Coyne & Blanchard, 1968. First edition, softcover issue. 4to. 79pp. The first book on San Francisco's psychedelic dance concert posters, with original front cover art by Rick Griffin (and his 'Mescalito Man' to back cover). Illustrated throughout (16pp. colour), with 201 posters reproduced (including many not featured in Grushkin's "The Art of Rock"). Also includes photographs of all the major artists: Griffin, Mouse, Kelley, Moscoso, Wilson et al. Paper clip indent to first page, with associated rust mark; wrappers slightly rubbed, o/w Very Good plus, with yellow paper order sheet still bound in.