Greyspace is an accessory for the Spelljammer

Spelljammer

Spelljammer is a campaign setting for the Advanced Dungeons & Dragons role-playing game, which features a fantastical outer space environment....

campaign setting

Campaign setting

A campaign setting is usually a fictional world which serves as a setting for a role-playing game or wargame campaign. A campaign is a series of individual adventures, and a campaign setting is the world in which such adventures and campaigns take place...

 for the Dungeons & Dragons

Dungeons & Dragons

Dungeons & Dragons is a fantasy role-playing game originally designed by Gary Gygax and Dave Arneson, and first published in 1974 by Tactical Studies Rules, Inc. . The game has been published by Wizards of the Coast since 1997...

fantasy

Fantasy

Fantasy is a genre of fiction that commonly uses magic and other supernatural phenomena as a primary element of plot, theme, or setting. Many works within the genre take place in imaginary worlds where magic is common...

 role-playing game

Role-playing game

A role-playing game is a game in which players assume the roles of characters in a fictional setting. Players take responsibility for acting out these roles within a narrative, either through literal acting, or through a process of structured decision-making or character development...

. The book was written by Nigel Findley

Nigel Findley

Nigel D Findley was a game designer, editor, and an author of science fiction and fantasy novels and role-playing games .-Biography:Nigel Findley was born in Venezuela, in 1959...

, and was published in 1992. Cover art is by Tom Baxa

Thomas Baxa

-Biography:Tom Baxa grew up in the suburbs of Chicago. He enrolled at Northern Illinois University, where he studied under comic and fantasy artist Mark Nelson.-Works:...

, with interior illustrations by David O. Miller

David O. Miller

-Early life and education:David O. Miller was born in Ashland, Kentucky in 1958. In 1981 he received a Bachelor of Arts degree in Graphic Design/Illustration from Eastern Kentucky University in Richmond, Kentucky with minors in both filmmaking and philosophy....

, and cartography by John Knecht.

This 96-page booklet describes the area of space near the planet Oerth

Oerth

In the Dungeons & Dragons roleplaying game, Oerth, pronounced as "Orth" or "oyth", is the name of the fictional planet on which one of the earliest campaign settings, the World of Greyhawk, is located...

 of the Greyhawk

Greyhawk

Greyhawk, also known as the World of Greyhawk, is a fictional world designed as a campaign setting for the Dungeons & Dragons fantasy roleplaying game...

 setting. The book describes the planets and sites of Oerth, Kule, Raenei, Liga, The Grinder, Edill, Gnibile, Conatha, Ginsel, Borka, Greela, and The Spectre. The book also details new magical items

Magic item (Dungeons & Dragons)

In the Dungeons & Dragons fantasy role-playing game, a magic item is any object that has magical powers inherent in it. These may act on their own or be the tools of the character in whose hands they fall into. Magic items have been prevalent in the game in every edition and setting, from the...

and new monsters.