Book excerpt: The 2013 Turkey Call Collectors Guide: Calls, Call Makers, and More, is an updated version of the authors' first book offering an extensive catalog of turkey call values based on thousands of secondary market sales over the past six years. The author has also included a section of books pertaining to the the Wild Turkey and their values. This book is loaded with photographs of rare and current turkey calls and features several contemporary call makers and their respective stories. An excellent reference book for anyone who buys and/or sales turkey calls or is just interested in anything turkey.