2002 · ソースブック（プレイを拡張するルール／オプション）
Nymphology: Blue Magic
A humorous d20 System supplement about Blue Magic, a form of sexual and erotic arcane practice. It presents alternative uses for existing spells, new erotic spells, magic items, creatures, special techniques, and adventures on the Elemental Plane of Lust. The book also introduces unusual prestige classes, including the Agony Mage, Mystic Pimp, Seduction Mage, and Peeping Scryer, along with anecdotes about magical students and famous practitioners. Its adult humor and sexual themes are intended for mature groups.
スキルベース（スキルを購入または獲得）属性／ステータス制（STR、CON、PERなど）レベル制（XPを獲得してレベルアップ）
ゲーム情報（人数、プレイ時間、対象年齢、クレジット）の出典：BoardGameGeek。