Doctrinal book

Category: Gear
Price: 25 gp
Weight: 3 lb
Description: Each of these volumes holds lore pertaining to a certain deity. After a failed Religion check associated with this deity or its followers, you can attempt the check again after spending 1 hour studying the doctrinal book. You must use the second result.

Published in Mordenkainen's Magnificent Emporium, page(s) 124.