Title: Under the Andes
First published: May 1985
Description: A non-Nero Wolfe novel, rather Wierd Science and pulp magazine-ish.  From Goodreads: "Under the Andes is an early novel by Rex Stout, first published in the All-Story Magazine in 1914. Temptress Desirée Le Mire and brothers Paul and Harry Lamar search for lost treasure in a mysterious cave. They encounter Incas who have been deformed by living underground."
Subjects: Classic Literature, Fiction, Fiction, mystery & detective, general, Wolfe, nero (fictitious character), fiction, Private investigators, fiction, New york (n.y.), fiction, Goldwork, Inca goldwork, Orfèvrerie, Romans, nouvelles, Orfèvrerie inca, Fiction, action & adventure