Opponent Opuscule

From the introduction: Being a compendium of the creatures both fell and foul that inhabit the world of Vanth in the medieval sector of the galaxy. User summary: PDF layout is two-page per sheet, paginated for pamphlet printing. PDF has 40 pages; printed pamphlet has 80 pages. Original version was released in 1978; this "second revised printing" was released in 1981. Contains monsters, listed A to Z, like a traditional "monster manual". Stat block mirrors nearly exactly that used for Advanced Dungeons & Dragons 1st Ed.