Mark of the Yuan Ti

A young thief. A wizard's apprentice. A twelve-year-old boy. Meet the Knights of the Silver Dragon! When Driskoll discovers a small snake in an alley, he names it Suma and takes it home. Driskoll loves his new pet, but Kellach is worried. Ever since Suma arrived, a mysterious sleeping sickness has swept through Curstonthe only clue a mark like a serpent's tongue left on the victims' skin. Is Suma really just a harmless pet? Or is there more to this snake than meets the eye?