You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
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Question: Category: FICTIONAL CHARACTERS 
Clue: Lassiter is the gun-slinging hero of this Zane Grey novel & appears in its sequel "The Rainbow Trail"

Answer: "riders of the purple sage"


Question: Category: & NEVER THE TWAINS SHALL MEET 
Clue: Shania's self-titled debut went gold in 1996; in 1873 Mark's first novel had this "golden"-sounding title

Answer: the gilded age


Question: Category: WORLD LITERATURE 
Clue: This classic story collection includes "The Tales of Sinbad", "Aladdin" & "Ali Baba"

Answer:
"arabian nights"