2008 · 资料书（用于增强玩法的规则/选项）
True20 Expert's Handbook
This sourcebook expands the Expert role in True20 Adventure Roleplaying, with additional rules and options for using skills. It also includes expanded equipment for all roles, along with traps and other challenges for expert heroes to overcome.
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 True20 Expert's Handbook
游戏信息（人数、游戏时长、年龄、制作人员）来自 BoardGameGeek。