Vienna at Nightfall

Set in late 1930s Europe, Vienna at Nightfall introduces Alex Kovacs, who becomes involved in an espionage network aiming to oppose the Nazi invasion of Austria. As he navigates dangerous political waters amid personal tragedy, Alex's mission becomes increasingly complicated, drawing him into tense encounters with figures like a suspicious Gestapo captain. This historical espionage thriller launches the Alex Kovacs series, blending the tension of looming terror with moral ambiguity in pre-World War II Vienna.