The new edition of Masks of Nyarlathotep is a complete revision and update of this epic multi-part campaign set in 1925, where unyielding investigators must uncover secrets and battle the servants of darkness in an effort to stop events that threaten humanity.

It features a global campaign covering seven countries across five continents!

• Filled with encounters, side quests, detailed adversaries, geographical information, and much more!
• Presented in full color, with new artwork, maps, and floor plans, ready-to-use handouts for players.
• Excerpts collect spells, tomes, items, and travel advice.
• The ultimate tome, packed with tips and guidelines. Requires the Call of Cthulhu Keeper’s Rulebook (7th edition) to play, and is optionally compatible with Pulp Cthulhu.

The original six-chapter campaign, featuring adventures in America, England, Egypt, Kenya, Australia, and China, has been developed and updated by Mike Mason, Lynne Hardy, Paul Fricker, and Scott Dorward, with enhanced and new encounters, mysteries, and direct guidance for the Keeper.