Doors to the Unknown

Doors to the Unknown is a 2-edition Advanced Dungeons & Dragons adventure module. It is part of the Planescape campaign setting.
==Description==
Doors to the Unknown was written by Monte Cook and was first published by TSR, Inc. in 1996. 
The adventure is designed for characters of levels 4 to 7 and takes place in the city of Sigil. The plot revolves around a series of mysterious doors that have appeared throughout the city, each leading to a different location in the multiverse. The players are tasked with investigating these doors, exploring the strange new worlds they lead to, and uncovering the mysteries behind their appearance.
==Synopsis==
There are four 'blink portals' that appear in Sigil every 500 years and which last for two months. After this the portals disappear for another half-millennium. The overall aim is for the party to probe these portals and find out the secrets behind them. Rumors indicate that these doors lead to restricted planes, of hyper-real super-monsters, and that they were created by the god Aoskar when the Lady of Pain killed him.
==Contents==
* Introduction
* Prologue: At the Shattered Temple
* The First Door: The Thuldanin Gargoyle
* The Second Door: The Forgotten Vault
* The Third Door: Logicus Prime
* The Fourth Door: A Reality Beyond
* Mercurial
* Aftermath
==Gallery==
Doors to the Unknown Back Cover.jpg|Back Cover
==Credits==
* Designer: Bill Slavicsek
* Editor: Cindi M. Rice
* Cover Artist: Robh Ruppel
* Interior Artists: Adam Rex, Brian DeSpain, Tony DiTerlizzi
* Cartographer: Roy Boholst
* Typography: Angelika Lokotz
* Border Artist: Robert Repp
* Graphic Design: Dawn Murin, Dee Barnett
* Art Director: Bob Galica
* Project Coordinator: Karen S. Boomgarde 
* Electronic Prepress Coordinator: Dave Conant
* Proofreading: Miranda Horner
* Special Thank: Michele Carter, Ray Vallese
==Appendix==
===See Also===
* Images from Doors to the Unknown
===External links===
* 
*Amazon product page
===Connections===
Category:Planescape sourcebooks
Category:Planes sourcebooks
Category:Planes adventures
Category:Planescape adventures
Category:Sourcebooks
Category:2nd edition sourcebooks
Category:2nd edition adventures
Category:Works by Bill Slavicsek
Category:Published in 1996
Category:Adventures