From the publisher's website:
"Imperial Lunar Handbook is the essential guide to the vast Lunar Empire. Mighty and magical, decadent and dynamic, conquering and liberating, the Empire is rich and complex, a land of heroes, soldiers, and missionaries. It is a fusion of many disparate regions, each with its own beliefs, customs, and magic. Over all, the Red Moon guides and the Son of the Goddess rules.
Volume 1 provides an overview of the Lunar Empire and the religion of the Red Goddess that holds it together. It contains character generation for all of the major Homelands of the Empire, as well as maps and details of two sample organizations, the Seeburn Association and Immanent Action Liberation. Future volumes will concentrate on the most important regions within the Empire, beginning with the Lunar Religion, and later including Dara Happa, Rinliddi, and Carmania."