2019 · ゲーム以外の書籍（ただしRPG関連）
Existential Dragons: A guide for mental health therapists that would like to use Dungeons & Dragons or other role-playing games as a group therapy tool
A guide for mental health therapists who want to use Dungeons & Dragons or other role-playing games as tools for group therapy. It provides an introduction to incorporating role-playing activities into therapeutic practice.
読書（定期刊物、アドベンチャーブックなど）
無料・Web、Android、iOS対応
LudoyaでExistential Dragons: A guide for mental health therapists that would like to use Dungeons & Dragons or other role-playing games as a group therapy toolを遊ぼう
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。