This book is actually a reprint of Adler's first book with the addition of information about the percussion revolver conversions to cartridge. It is very good for its photography and Colt info, but, like the other edition, it does not cover the other, most produced replica percussion revolvers. If you are interested in the Colt modern production revolvers then the only book you will need is Dennis Russell's book, "Percussion Colt Revolvers-The Second Generation-Collector's Handbook & Price Guide".
After seventeen years of research and collecting I still do not feel confident to publish our book because of the new information that comes to light virtually everyday. The RPRCA has around 850 revolvers in its collection and I have been able to observe and examine literally thousands of these revolvers over the past 17yrs. and still learning.
Most all of the companies that manufactured and distributed these revolvers are no longer in business so information can only be found by examination of pieces, limited literature in form of ads and articles, and interviews with the early pioneers in this industry. There are only a few of these pioneers still with us.