First ed. published in 1941 under title: Laboratory and field text in invertebrate zoology; 2d ed. published in 1954 under title: Intertidal invertebrates of the central California coast; 3rd ed. published in 1975 under title: Light's manual : intertidal invertebrates of the central California coast.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The Light and Smith manual : intertidal invertebrates from central California to Oregon by Sol Felty Light. ISBN 9780520239395. Published by University of California Press in 2007. Publication and catalogue information, links to buy online and reader comments.
