The Archaen Codex

From the back cover:

"Lost spells and skills, artifacts and magical treatises, tidbits of history forgotten since the days of the Archeans - these ancient secrets have now been brought to light for the first time in The Archean Codex. In this book, you will learn th origin of the Black Savants, the technomantic techniques of the Neurians, the summoning spells devised by the magician Mordante, and the nature of the ruins in which these and other wonders of Talislanta's greatest magical era may be uncovered. So pack your research notes; the treasure hunt has begun!"