Hi Linda To help you better define what you may or may not be getting into. Here is my .2 cents Leslie ______________________________________________________ Kira & Habe’s works are very nice. There are several revision as shown below. Revisions correct errata and add marginal content. But as afore mentioned, it is very outdated…. I like the books themselves, and as a matter of opinion, an old name is better than no name. I have seen them as much as $125.00 for a nice set. Kira, Tetsuaki - 1st Ed 1965 / Revised 3rd Ed 1971 Shells of the Western Pacific in Color, Vol I, Hoikusha Press, 224 pp, 1270 cil, 72 cpl, DJ HB(L) Habe, Tadashige – 1st Ed 1964 / Revised Ed 1968 Shells of the Western Pacific in Color, Vol II, Hoikusha Press, 233 pp, 11457 cil, 66 cpl, DJ HB(L) ______________________________________________________ Keen Produced 2 major works, each with 2 editions as shown below. Sea Shells of Tropical West America 2nd Ed is back in print at $90.00 List The content and page count greatly varies between the works as shown below: Keen, Myra A. & James McLean 1971 – Sea Shells of Tropical West America: Marine Mollusks from Baja California to Peru, 2nd Ed, Stanford, 1080 pp, 22 cpl, 3325 il, 4 map, HB(M) Keen, Myra A. 1958 – Sea Shells of Tropical West America: Marine Mollusks from Lower California to Columbia, 1st Ed, 2nd Pr 1960, Stanford, 625 pp, 10 cpl, HB(M) Keen, Myra A. & Eugene Coan 1974 – Marine Mollusca Genera of Western North America: An Illustrated Key, 2nd Ed (1963), Stanford, 208 pp, 1963 il, DJ HB(M) Keen, Myra A. & Eugene Coan 1963 – Marine Mollusca Genera of Western North America: An Illustrated Key, 1st Ed, Stanford, 126 pp, 1963 il, HB(M)