Underworld publishing put out a couple of series that were rather well done for a small publishing company. They are all attractively printed with decent art work throughout. One series is of adventures and the other series of of rules supplements. It was specifically designed for use with D&D (as is all the other publishers indexed here) but they go out of their way to not mention TSR's juggernaut as the early 90's was the period in which TSR really tossed around their legal might.
Underworld Publishing had a 100% satisfaction guarantee on their products. If not satisfied they guaranteed to give credit toward the purchase of any other role-playing product. Some restrictions apply. (I am not sure what the restrictions were.)
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