Writing as: Bill Rapp

According to the bio from his publicist: "Bill Rapp recently retired from the Central Intelligence Agency after thirty-five years as an analyst, diplomat, and senior manager. After receiving his BA from the University of Notre Dame, an MA from the University of Toronto, and a PhD from Vanderbilt University, Bill taught European History at Iowa State University for a year before heading off to Washington, D.C. The Budapest Escape is the third book in the Cold War Spy series featuring Karl Baier. Bill also has a three-book series of detective fiction set outside Chicago with P.I. Bill Habermann, and a thriller set during the fall of the Berlin Wall. He lives in northern Virginia with his wife, two daughters, two miniature schnauzers, and a cat."

Series Books
Karl Baier Tears Of Innocence (2015)
  The Hapsburg Variation (2017)
  The Budapest Escape (2019)
Other Angel In Black (2006)
  A Pale Rain (2007)
  Berlin Breakdown (2008)
  Burning Altars (2011)