Let no one say “ The Lowdown ” is shy about its influences. Ethan Hawke ’s hero, a Tulsa “truthtorian” by the name of Lee Raybon, ruffles feathers as a freelance reporter — but for his not-all-that-steady day job, Lee runs a used bookstore. His stock in trade are yellowed first editions of the midcentury crime novels to which the FX limited series is clearly an homage.

But creator Sterlin Harjo, following up on the superlative coming-of-age comedy “Reservation Dogs,” doesn’t stop there. Authors like Jim Thompson and Erle Stanley Gardner are liberally name-dropped. When Dale Washberg (Tim Blake Nelson), the black sheep of a powerful local family on whom Lee has just published an exposé, commits suicide in the show’s opening scene, he conceals a note in a bookshelf of faded paperbacks

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