Twelve Days of Terror: A Definitive Investigation of the 1916 New Jersey Shark Attacks is a non-fiction book by Richard G. Fernicola about the Jersey Shore shark attacks of 1916.

He interviewed people connected with the victims of the attacks and examines the arguments and conclusions of contemporary and modern scientists to determine the species of the shark involved in the attacks.

The book was made into an episode of the History Channel's documentary series In Search of... titled Shark Attack 1916 (2001) and the Discovery Channel's docudrama 12 Days of Terror in 2004.

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