Mysterious Cases of Detective Richard Duvall gathers the adventures of Kummer's urbane investigator, a figure shaped by the transatlantic detective fiction of the early twentieth century. The stories combine brisk plotting, theatrical concealments, stolen documents, disguises, and high-society intrigue with a prose style that favors clarity, momentum, and dramatic revelation. In literary context, Duvall belongs to the era between Sherlock Holmes's ratiocinative dominance and the later hard-boiled detective, retaining the elegance of puzzle fiction while adding cosmopolitan glamour and melodramatic suspense. Frederic Arnold Kummer was an American novelist, playwright, and screenwriter whose career moved comfortably among popular fiction, stage drama, and early cinema. That theatrical background is evident in his detective work: scenes are sharply staged, entrances and disclosures are carefully timed, and mystery often unfolds through performance, deception, and social masquerade. His familiarity with contemporary entertainment culture helped him craft stories designed for immediacy, excitement, and broad appeal. This collection is recommended for readers interested in classic detective fiction beyond the canonical names. It offers lively period atmosphere, ingenious situations, and a revealing example of how popular American mystery adapted European models for modern mass readership. This enriched edition has been carefully crafted to add value to your reading experience. - Hand-picked Memorable Quotes shine a spotlight on moments of literary brilliance.

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"The Film of Fear" - A detective novel centers around the early years of the film industry, features the young and beautiful film star, Ruth Morton. After receiving messages and threats of death and violence, the great detective Richard Duvall is hired to investigate the case.
"The Ivory Snuff Box" - a small box of ivory for holding snuff, with no real value, has been stolen from the French ambassador. Detective Duvall is ordered to travel back to London emergently, and recover the snuff box at all costs.
"The Blue Lights" - an American millionaire's son has been kidnapped in Paris. They want desperately to include detective Duvall in the investigation.
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.