The AK47 catalog is simply that. Clear color photos of the AK47 and its variations. No filler text, or the same dimensional information in other books. All original photography, Most photos have never been published. Many variants have never been published..... Amazon edition is the same as other versions, just printed by Amazon to reduce costs. Volume 2 covers East German 7.62x39 special models, standard and special 5.45 models, Soviet RPK series 1966-76, AK-74 1979-82, and Polish AKMAKMS 1977-86.