Call of Cthulhu: Investigator's Handbook

The Investigator Handbook contains expanded rules for creating players characters, a wealth of over 100 occupations and skill descriptions, as well as guidance on getting the most from the game.
The book introduces a range of organizations for your investigator to belong to, detailed information about the classic 1920s setting, equipment and weapons for both the 1920s and modern day, and expert tips and advice for all budding and experienced players alike.