Candlekeep Mysteries/The Joy of Extradimensional Spaces

"The Joy of Extradimensional Spaces" is a short adventure module for 1–level players, collected in the anthology Candlekeep Mysteries, where players explore a permanent Mordenkainen's magnificent mansion.

Synopsis
In 1492 DR, a group of adventurers seeks a remedy for a curse levied on a village. On the advice of a local wizard, they are referred to the sage Matreous who resides at Candlekeep, but when they arrive they find that Matreous has vanished after tinkering with the magical tome titled The Joy of Extradimensional Spaces.