Printed brown wrappers. Pencilling and library receipt stamp on front cover. Small stains on both covers, and a little loss of paper to spine. Laurence Witten Rare Books, 1978. Printed green wrappers.
Light wear at top of spine.
Laurence Witten Rare Books, 1979. Medicine, science, technology, alchemy, astrology, etc. Minor crease along top edge of front cover. A bit warped. Very good condition.