2006 · 资料书（用于增强玩法的规则/选项）
Libem Liborium: The Complete d20 Guide to Books
A d20 supplement for the v.3.5 rules that brings writing, book collecting, and the use of books into fantasy campaigns. It provides book-related items, spells, prestige classes, sample libraries, book dealers, monsters, and deities for characters who record or seek knowledge, as well as material for creating knowledgeable villains and encounters.
技能型（购买或获得技能）基于属性/数值（STR、CON、PER 等）等级制（获得经验值并升级）
免费，支持网页、Android 和 iOS
用 Ludoya 玩 Libem Liborium: The Complete d20 Guide to Books
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。