In this detective novel - an American millionaire's son has been kidnapped in Paris. They want desperately to include detective Duvall in the investigation. _x000D_ Frederic Arnold Kummer (1873-1943) was an American author, playwright and screen writer. He wrote in various genres including spy and international mysteries, detective novels, romances and non-fiction. Under the pseudonym Arnold Fredericks he wrote a series of mysteries featuring the detective Richard Duvall._x000D_ _x000D_
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