AD&D Core Rules 2.0 CD-ROM
Company: Wizard's of the Coast
Cost: $39.99

The Core Rules includes several useful features that could come in handy in designing an area. The following 2nd Edition manuals are included: Player's Handbook, Dungeon Master's Guide, Monstrous Manual, Arms & Equipment Guide, and Tome of Magic. It also includes two mapping programs: Map Maker and Campaign Mapper.

Dragon Magazine Archive CD-ROM
Company: Wizard's of the Coast
Cost: $44.99

Contains issues 1 to 250 of Dragon Magazine. It's a bevy of useful information.