La Laverie - Le dossier Rhesus

In The Rhesus Chart, it is the theme of vampirism (after that of Shubniggurath VS The Unicorns, then of the entity "The Gift Bearer" aka Father Christmas) that is given a new lease of life, through creatures that threaten even His Majesty's secret organisation.

For those who are new to it, The Laundry is a series of novels by British author Charles Stross, which we have turned into a role-playing game and encyclopaedia. A mixture of British humour and geek culture, it pits a branch of Her Majesty's Secret Service dedicated to the occult against the non-Euclidean horrors which, since the advent of computers, have become more accessible to us...