1. 01. English Non Fiction Crime lab technician / by Townsend, John, Publication: New York : Crabtree Pub. Co., 2008 . 32 p. : 27 cm. Date:2008 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Unsolved crimes / by Townsend, John, Publication: Collingwood, ON : Saunders, 2010 . 32 p. : , "A book of ghastly crimes and dark mysteries"--Cover. 28 cm. Date:2010 Availability: Copies available: (1), Actions: