Previously unpublished works of Roger Bacon

THE SECRET OF SECRETS

The "Secret of Secrets" was a highly influential medieval text. It was widely believed to be a letter of advice from Aristotle to his pupil, Alexander the Great. It covers a wide range of topics, including political governance, health, alchemy, and astrology.

WITH GLOSSES AND NOTES

BY BROTHER ROGER

Brother Roger refers to Roger Bacon, an English philosopher and Franciscan friar who lived during the thirteenth century. He was an early advocate for the scientific method.

ROBERT STEELE

The Clarendon Press is the historical name for the academic publishing arm of the University of Oxford.