The product is the book “Boeing KC-135 Stratotanker: More than Just a Tanker” by Robert S. Hopkins III, published by Midland Publishing The Limited in 1998. This textbook is part of the Aerofax Series and focuses on the history of the military and aviation aspects of the Boeing KC-135 Stratotanker. With 160 pages, the book provides detailed information about this iconic aircraft, making it a valuable resource for those interested in military aviation history. Excellent preowned condition.