From the back cover
Discover the secret history of World War Two: stories of amazing heroism, in which stalwart men and women struggle to overthrow a nightmare alliance of steel and the occult; of frightening inhuman conspiracies from the depths of time; of the unbelievable war machines which are the product of Nazi engineering genius - and how close we all are to a slithering end! The Secret War has begun!
The Keeper's Guide To The Secret War is a full-blown tome of dark knowledge, including:
allied and Nazi forces and intelligence agencies
occult organisations and mythos-based missions
new tomes, secret weapons, artefacts & equipment
key characters and vile creatures
new rules and strategies for World War Two combat and survival
In fact - there is a whole shoggoth's worth of Cthulhu villainy, enough for any keeper to have his investigators dead, insane or running for their lives in no time!