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The Heydrich Cipher
Paperback
Mystery & ThrillerGeneral Fiction
Publisher: Steven Infanti
Published: Jun 25 2026
Pages: 298
Weight: 0.76
Height: 0.67 Width: 5.50 Depth: 8.50
Language: English
In 1942, an SS doctor working under Reinhard Heydrich completes a weapon that Himmler had ordered built, and Hitler had refused to field. Before Heydrich is assassinated, the research is sealed - the key to its location hidden where no Allied hand will find it.
It stays hidden for seventy-seven years.
Berlin, December 2019. Detective Lea Weiss works a cemetery homicide that connects to a freshly opened grave - the wrong grave, the wrong dead man, the wrong kind of trouble. An Israeli intelligence officer arrives before her own commanders. A courier is dead. A tube is missing. And the SS program called Eisenherz - Iron Heart - has surfaced in the kind of hands that make governments nervous.
The history was never settled. It was only postponed.
Moving between wartime Berlin and the modern investigation, The Heydrich Cipher is a thriller about the bureaucracy of genocide, the evidence it leaves behind, and the living who find themselves trapped inside it.
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