 A two book kit consisting of: Compendium of Corn Diseases, Fourth Edition and A Farmer's Guide to Corn Diseases |
 A two book kit consisting of: Compendium of Soybean Diseases and Pests, Fifth Edition and A Farmer's Guide to Soybean Diseases |
 A two book kit consisting of: Compendium of Wheat Diseases and Pests, Third Edition and A Farmer's Guide to Wheat Diseases |