Cops and robbers board game

Premium Catan: Gemstone Robbers with Metal Dice Aquamarine

Premium Catan: Gemstone Robbers with Metal Dice Tigers Eye

Premium Catan: Gemstone Robbers with Metal Dice Hematite

Premium Catan: Gemstone Robbers with Metal Dice Opalite

Anthony Bonato, Richard J Nowakowski: The Game of Cops and Robbers on Graphs