The Used Tractor Price Guide is a comprehensive, 328-page reference that includes detailed information about farm tractors produced from 1939 through 2003 by 44 different manufacturers. Listings include approximate retail prices when new, a high and low range of estimated average used values, engine size, transmission speed, shipping weight and PTO horsepower plus a special serial number section that lets you determine the precise year a tractor was built.

Price: $14.95. Shipping charges vary according to method and destination. Contact Penton Business Directories & Books at 800/262-1954, or buy online at www.buypenton.com.