From website via Archive.org:
Agatha Blades is a d20 System company intent on developing a great campaign world for the new Third Edition Dungeons & Dragons! Our products will be available as electronic downloads initially, and if responses are good, we will look into publishing our products in book form. The Lands of Drel campaign setting is a rich world, offering players and DMs a wide variety of locales and races to use, and outlines use of optional material, such as psionics and high level rules. From over twenty new prestige classes to a bucketful of new magic, the Lands of Drel will provide an wealth of information for use as your new campaign setting, or as a great supplement if you just wish to add parts to your own world.