A preview of two excerpts from stories found within the Book of Storms has just been uploaded, one for the Domains of Dread portion, and another for the Masque of the Red Death portion. You can download the excerpts from the link below. The Book of Storms is set to be released on October 31, 2011, on this site.
Preview of Ravenloft: Book of Storms (PDF, 128 KB)
