Originally published, New York: Morrow, 1960; (B66-14891) London: Heinemann, 1966.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The case of the shapely shadow by Erle Stanley Gardner. ISBN 0330022687. Published by Pan Books in 1969. Publication and catalogue information, links to buy online and reader comments.
