Welcome to the Cage!
That's Sigil, City of Doors, realm of the Lady of Pain, gateway to all planes and possibilities. It's the most coveted burg in the multiverse, and this tome is the key to unlocking its secrets. Now DMs and cutters alike can discover:
Little-known facts about Sigil's sites and personalities
A guide to major portals
Maps of famous locales, fiendish and... [click here for more]