Physically, the book is a massive hardcover clocking in at over 500 pages. The PDF version offers specific advantages for the modern Keeper:
: Expanded mechanics for the globe-trotting nature of the adventure. masks of nyarlathotep companion pdf
Think of it as a "director’s commentary" combined with an "artifact evidence locker." While the original campaign gives you the skeleton of the plot, the Companion provides the muscle, nerves, and skin. Physically, the book is a massive hardcover clocking