From the introduction: From the simplest bit of polished bone on a thong, to glittering crowns, gem-hilted swords, sparking earrings, impressive amulets, official signet rings, holy torcs, and the myriad elaborately-tooled accoutrements of the conspicuously well-off: personal adornments do much more than store wealth. User summary: A series of random tables to generate a huge variety of gems. A "free preview" product titled "Free Jewels" also was published.