This MONSTROUS COMPENDIUM appendix includes a broad spectrum of monsters from the Inner, Outer, Astral, and Ethereal Planes - all geared to provide hours of adventure in the PLANESCAPE campaign setting. Replacing the original Outer Planes Appendix, this new and enlarged compendium includes full-color illustrations, reintroducing many of the best mulitplanar monsters from a wide variety of out-of-print sources.