Originally published in 1926, this book contains the ancient Greek text of the fourth-century treatise Concerning the Gods and the Universe by Sallustius. Nock provides an English translation on each facing page, as well as a critical apparatus and a detailed set of prolegomena on the historical background, sources, style and transmission of the philosophical essay. This book will be of value to anyone with an interest in late Roman philosophy and in the pagan response to early Christianity.