Secrets of the Gem Trade: The connoisseur's Guide to Precious Gemstones
"Every gemstone collector should have a copy of this book" --Charles Lewton- Brain, Canadian Jeweler, June 2004"Richard Wise has lifted the veil ...I highly recommend this book" --Edward Boehm, Gems & Gemology, summer 2004The author's writing style and command of the subject matter keeps the reader captivated. --Stuart M. Robertson, G. G., Gem Market News, November 2003Secrets Of The Gem Trade is very highly recommended to anyone interested in gemology as a superbly organized, authoritative, comprehensive, and easy-to-follow reference." --Midwest Book Review