The fourth edition of the Radial Tire Conditions Analysis Guide, from ATA Business Solutions, is packed with more than 200 color photographs and illustrations, and contains detailed descriptions of every tire failure and service condition for both original and retread tires. It shows what to look for when examining diagonal tire wear, irregular wear, side wall separations, the "zipper condition," shoulder wear and more. Guide also tells users how to correct the problem. The fourth edition features many updates to existing repair, retread and wear conditions as well as new conditions, such as those that pertain to the increasingly popular wide-base tires. Available in book or CD.