Beschrijving
Essef – Excellent time travel adventure by Harry Harrison. An undercover US Army investigator, Troy Harmon, is posted to keep an eye on a southern colonel at a top secret research establishment who is suspected of various nefarious deeds. The colonel’s activities turn out to be even worse than anyone had suspected and Troy has to follow him back in time to stop him changing history. Some points of similarity to Harry Turtledove’s \
