Download or read book It Must Be Art! written by Michael Fishel and published by Schiffer + ORM. This book was released on 2018-09-15 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collection of works by artists who published psychedelic posters with Big O Posters Features hundreds of works by 19 artists, including Martin Sharp, Roger Dean, and H.R. Giger Posters and art for glam rock, hippie music, counterculture literature, film, and more