Edgar Allan Poe’s bestselling book as a living author was a schoolbook he was hired to abridge and reorganize titled The Conchologist’s First Book. – WTF Fun Facts
Source: http://www.slate.com/blogs/the_vault/2015/12/14/edgar_allan_poe_s_textbook_on_seashells_was_his_only_bestseller.html
WTF Fun Fact – Poe’s The Conchologist’s First Book
