If I recall, there is a knockoff book that essentially has the same photos, minus those from Cuba and North Vietnam. Perhaps that version was intended for an "international" (English) audience that doesn't have a problem with Cuba or North Vietnamese Communists.
The Commissar Vanishes does NOT have all of the content of the earlier Making People Disappear.
More than just people vanish, sometimes. Sometimes whole chapters do. Pot calling the kettle black.
There is also a completely separate book on the subject that covers more current examples. I think the title had the phrases Photo Trickery or Deception/Deceptive...