Vintage Wartime Tractors: How to Make Them Work Harder and Last Longer by Ethyl Corporation Includes a receipt from 1942 found inside. Condition is ‘used’. This definitely has wear from age etc. The interior is clean with no markings, rips, etc.; but there is discoloration on the pages where the receipt was. There are two small tears on the back cover that were taped. See photos for condition. The receipt that was inside is in good condition. Please look carefully at all photos. The photos are an important part of the description. If you have questions, please ask. Returns are accepted within 30 days of purchase. The item must be returned in exactly the same condition as received. Items will be inspected, serial numbers checked, etc. Shipping fees are not refundable.