A setting guide for the Cornish town of Zennor and a Cthulhu by Gaslight scenario taking investigators from London, to the Royal Edinburgh Lunatic Asylum, and finally, to the country roads of the Hundred of Penwith and fog-shrouded Zennor itself. The scenario is suitable for 2-6 investigators and can be played in one or two sessions. For use with Call of Cthulhu 7e. Only $9.95!