This is for the earlier Model 10A with integral flashlight which was produced from 1967-69.It measures 8-1/2" x 11" with 8 pages.The gun and its features are described with specs and accompanied by 24 photos of Law Enforcement with the gun in action like the photos on the cover.It reads like a "Dragnet" episode of the 1950's.It is marked "Form No. M-10". Excellent Condition