The Son of Sobek is a 2013 fantasy short story written by Rick Riordan, first released in the paperback version of The Serpent's Shadow on May 7, 2013 and as a single e-book on June 18, 2013.

[1] On April 5, 2016, it was released as the first of three short stories in a hardcover novel entitled Demigods and Magicians: Percy and Annabeth Meet the Kanes.

[2][3] After hearing reports about magical disturbances in the Long Island area, Carter Kane goes to investigate.

He is unexpectedly swallowed by an enormous crocodile in the marshes at the edge of Moriches Bay on Long Island's south shore while exploring, but is saved by a strange older teenager who forces the monster to regurgitate him.

After a brief disagreement that leave both confused about the other's origins, Percy and Carter decide to team up to deal with the monster, which has left them and is terrorizing a nearby suburban neighborhood.