Ambler's A Coffin for Dimitrios and Journey Into Fear have been hailed as classics of the mystery form, yet his first novel of 1936 has not been available in America until now.

The Dark Frontier launched Eric Ambler's five-decade career as one of the most influential thriller writers of our time.

England, 1935. Physicist Henry Barstow is on holiday when he meets the mysterious Simon Groom, a representative for an armaments manufacturer. Groom invites the professor to Ixania, a small nation-state in Eastern Europe whose growing weapons program threatens to destabilize the region. Only after suffering a blow to the head--which muddles his brain into believing he is Conway Carruthers, international spy--does the mild-mannered physicist agree to visit Ixania....

Winner of the Crime Writers' Association Gold Dagger Award

Syria, 1970. Michael Howell has kept his family's Middle Eastern business enterprises going through a decade of takeovers, war, and revolution, thanks in part to his office manager, Teresa, who is also his mistress. One late night at the office, they discover men working overtime--producing unauthorized bombs for the Palestine Action Force. Worse, this guerrilla terrorist group is not deterred by their discovery--rather, they will enlist Howell and Teresa's unwilling help in carrying out their plan.