Original issue, US Army Field Manual, 135 pages, size is 4 1/2" x 6 3/4", bound, dated 30 July 1970.  This is not a commercial copy or print but an original issue government print issued in 1970 and republished in 1981.  This publication is titled - FM 20-22, Vehicle Recovery Operations.  Manual is designe to provide information and instructions for the recovery of wheeled and track vehicles in all types of terrain and situations.  Very well  illustrated using photogrpahs and detailed line drawings.