"THIS IS SET#4. TO BE ABLE TO PLAY THE COMPANION SET, YOU SHOULD
ALREADY HAVE PLAYED D&D BASIC, EXPERT AND COMPANION RULES. FOR
CHARACTER LEVELS 26-36
Master Player's Book — Featuring Rules for new weapons, weapon masteries, and sieges.
Also includes more advanced rules and spells for your master characters.
Master DM's Book — New rules for anti-magic effects, mystics, artifacts, and campaigning.
Plus new treasures and monsters, including creatures from other planes."