First edition. First printing, as indicated by M-C code to copyright. No jacket. Blue and black cloth boards with title in silver at spine. A few small stains and moderate rubbing at corners. Ex libris sticker to pastedown. Pages otherwise unmarked. One signature a bit loose. Huxley's landmark book about his experience with mescaline; later, a heavy influence on Timothy Leary, the Doors, and myriad researchers and psychonauts up to the present day.