Cox, Phil Roxbee. Who shot the Sheriff? : : follow the clues to unravel the mystery / [electronic resource] / [written by Phil Roxbee Cox ; photography by Sue Atkinson ; designed by Joe Pedley].. — [Tulsa, OK : : EDC Pub.,, 1997]. — 48 p. : : col. ill., ports. ; 26 cm. - Usborne solve it yourself.