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Nothing. The Catcher in the Rye is a novel, not a polemic.
Yes, The Catcher in the Rye is a novel by J. D. Salinger published in 1951.
Holden Caulfield is the main character and the narrator in Catcher in the Rye.
Holden
The word "unscrupulous" does not appear in J.D. Salinger's novel "The Catcher in the Rye."