User summary: The Book of Ages was published in final form as a "netbook" in 1997. It describes a setting cosmology based on an entire galaxy formed by two entities known as Guellup and Farniss. The setting introduces technology (especially interstellar travel) to the magical worlds commonly found in Advanced Dungeons & Dragons games, providing a "mash up" of space opera and high fantasy tropes. The document lists a large number of "known" worlds with various classifications. File pagination was performed by the author.