Greenberg's Pocket Price Guides for American Flyer and other S gauge manufacturers is a vintage paperback book published by Kalmbach Publishing in 2001. This guide, with 80 pages, provides a comprehensive price guide for model railroads and trains enthusiasts. It is a valuable resource for collectors looking to identify the value of their vintage S gauge model trains. The book is a part of the Greenberg Publisher brand and is written in English, making it accessible to a wide audience interested in model railroads and trains from the 2000-2009 time period.