The product is a vintage "Complete Service Manual for Lionel Trains" published by MDK, Inc. in 1982 It is a hardcover book authored by K-Line, focusing on servicing Lionel trains from the 1980s. The manual is intended for adults and features professional edition content with illustrations, making it a valuable resource for repairing and maintaining model train collections. This 6th printing of the manual is a must-have for enthusiasts looking to keep their Lionel trains in top condition. Book has minor rubs on edges. Pages are clear and easily readable