From Introduction: Welcome to Libem Liboriam: The Complete d20 Guide to Books, a d20 supplement utilizing the v. 3.5 rule set. This guide is the only source needed to incorporate the phenomenon of writing, book collecting and book utilization into your current game. Have you ever had a character that kept a journal or wrote a book? What about a character who was obsessed with collecting knowledge and information? Did you ever need a knowledgeable villain or monster? This guide will assist both book-savvy characters and the dungeon master giving a host of new book-related items, spells, prestige classes, sample libraries and book dealers, even new monsters and deities.