The product is a collection of Army Engineering Extension Courses from the 1960s, with all items included. These study guides focus on technology and engineering, with a subject area of military science. The publications are authored by staff and are in English, providing valuable insights for students and professionals interested in military technology and engineering development during that era. Please see pictures for details this is the exact item for sale. Item shows wear and has some damage. I do bundle shipping so if you get multiple items please send me a note and I will bundle them and refund any shipping if applicable. Thanks.