A review by arthurbdd
The Keeper's Companion 2: Prohibition, Firearms, Tomes, & Creatures by William Dietze, Adam Gauntlett, James Crowder, J. Gordon Olmstead-Dean, Charles P. Zaglanis, Lynn Willis, Greg Henrikson, M.J. Lempert, Brian M. Sammons

3.5

Grab-bag of useful information for Call of Cthulhu. Full review: https://refereeingandreflection.wordpress.com/2017/09/30/not-core-but-companionable/