The Dead House — Allen Johnson Jr.

This second book in the Blackwater Novel Series has won two children's book awards, including a 2015 Gold Medal from Moonbeam Children's Book Awards. Rad Fox, a boy who lives with his widowed mother on the Blackwater River, and Dr. Jordan Mason, a family friend who is visiting, discover an evil presence at the old Granger Hhouse. The twins, Will and Johnny, come to visit Linc, and Johnny gets deathly ill. In this multi-layered mystery, once again Linc shows the value of his skills in the Blackwater Swamp.