[3] After graduation he first worked as a librarian at the Washington D.C. Public Library, where he met his wife, then Miss Mary Jane Sellers.
In 1927 the magazine Public Libraries called the hoax "a good piece of foolery, bright, clever, with the verisimilitude of authenticity.
"[4] Even today, a humorous faux-medieval Curse Against Book Stealers from the pamphlet continues to be portrayed as real.
[8] In 1924 he published his best-known work, Studies in Murder, with its signature essay on Lizzie Borden of Fall River.
In 1934 Pearson went to Hollywood to serve as an uncredited writer for the films Bride of Frankenstein and Werewolf of London.
Pearson died on August 8, 1937, at the Columbia-Presbyterian Medical Center in New York City of bronchial pneumonia.
[3] Norman D. Stevens has been active in keeping alive the writings of Edmond Pearson by collecting a portion of the Librarian column in a book of the same name.
Professor Jack Matthews, called Pearson "a writer of acknowledged distinction" and "a bibliophile in the grand old manner."