From the back of the book:
Energize your adventures!
This supplement is a trove of options for any age: ancient, medieval, industrial, or science fantasy.
Play a batfolk dragoon, cyborg spriggan, elan technomancer, ghost samurai, sha'ir magus, or vodron rocketeer. New classes, races, and themes yield over 8,000 options.
Includes a bundled "Version 1.1 Updates" errata.