The Cadfael Companion 
Subtitle: The World of Brother Cadfael
Contributors: Illustrated (Illustrator)
Publisher: Macdonald
Published: 1991
Language: eng
Format: Hardcover
Number of pages: 392
ISBN-13: 9780356200521
Description: A companion to the novels set in the 12th century featuring Brother Cadfael, the Welsh monk and herbalist of Shrewsbury Abbey, who uses his powers of deduction to solve murder mysteries. This is a guide to the characters, locations, plants, herbs and medieval terms that appear in the novels.