Midcentury New Yorkers who couldn't sleep found a friend in Jean Shepherd, the iconoclastic radio personality whose middle of the night monologues made him a cult comedy figure and leader of the underground Night People movement. When he proposed to prank the book world by demanding a novel that didn't exist, the title became so popular his followers more or less willed it into being.
SOURCES
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Excelsior, You Fathead! By Eugene B Bergmann
I, Libertine by Theodore Sturgeon
https://www.theguardian.com/books/2017/aug/25/handbook-for-mortals-by-lani-sarem-pulled-from-nyt-bestsellers-list
https://www.pajiba.com/book_reviews/did-this-book-buy-its-way-onto-the-new-york-times-bestseller-list.php
https://www.vulture.com/2017/09/handbook-for-mortals-lani-sarem-23-hour-new-york-times-bestseller.html
https://www.billboard.com/music/music-news/lani-sarem-blues-traveler-manager-novelist-bestseller-list-7957648/