A complete guide to playing D&D in sea and storm. The third in a series of beautifully illustrated supplements focusing on play in specific environmental climes, Maelstrom™ contains rules on play in watery environments. Not only are rules for sea campaigns offered, but rules for including water environments in land-based D&D campaigns and dungeon adventures are also covered.

Included is extensive information on lakes and rivers; hazards such as exposure, storms, and waterspouts; races, including non-aquatic races associated with the sea; equipment, including detailed deck plans for ships; monsters; magic, including psionic elements; skills; feats; and more.