American Malacologists, Melbourne, Florida, 1986, 1st ed., 3rd pr. revised.  ISBN 0-915826-17-8.  Hard cover, 413 pages including Taxonomic Classification-Bibliography, Regional Books, Index to Popular Names, Index to Scientific Names, Third Printing Revisions and About the Author.  Green cloth with silver lettering on spine; some sunning along top and bottom edges; dent at top board edge; upper front corner split.  Binding sound with head and tail bands.  Dust jacket with price intact shows edge and cover wear, some creases, tape repair on verso near upper spine edge; small loss at upper corner; some moisture rippling.  Interior clean and unmarked; moisture rippling to pages, most heavily to Bibliography and onward to end of volume with Revisions page stuck to About the Author at top edge.  Photos of specimens do not appear affected.  ‘A decade in preparation and compiled by two of the world’s leading malacologists, this beautiful and authoritative reference volume includes 4,200 full-color photographs to make shell identification quick and certain.’ (from front flap)