1999 · ソースブック（プレイを拡張するルール／オプション）
Gray's Journal
A collection of fiction, adventures, settings, and game resources for the Maelstrom RPG. Four stories introduce the world and provide material for play, while three scenarios feature a traveling circus, storm pirates, and airship murders. New realms include the warring city of New Geregon and the pirate island of Keep Tain. The book also presents Gift Affinities, gadgets such as Steam Tanks and the Kael Siphon, and the Story Bones rules, a basic version of the Story Engine.
記述ベース（ダイスよりもナラティブを重視）ダイス（各種）
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。