Books written about this cryptid include:
The Beast of Boggy Creek by Lyle Blackburn (Anomalist Books)
Synopsis: The definitive guide to the most infamous Southern mystery creature! The book covers the entire history of the Fouke Monster and the making of the horror film, The Legend of Boggy Creek. Includes a bonus sighting chronicle with details of over 70 visual encounters near Fouke, Arkansas.
More information: http://www.foukemonster.net/book.htm