A review by arthurbdd
Investigator Handbook: A Core Game Book for Players by Keith Herber, Mike Mason, Paul Fricker

4.5

Though not required for play, it makes for a handy reference for players and presents some additional options and ideas of use. Full review: https://refereeingandreflection.wordpress.com/2018/11/01/kickstopper-that-is-not-dead-which-can-eternally-restructure-part-2/