Buster and the Great Swamp — Marc Brown

A companion to the TV show, Buster and the Great Swamp is a level two reader about Buster's adventures in the Louisiana bayou. While he's there he learns about crabs called Buster crabs and how to catch them. Some of Buster's new friends take him down the river on a pirouge in search of a swamp monster but Buster doesn't find one until he's on his way way with his dad.