The Legends & Lairs line of sourcebooks expands the options for any d20 game, providing new rules and statistics for everything from new races and character options to traps, treachery, and adventuring on the high seas. Sorcery & Steam contains all the rules that players and DMs need to explore a hybrid fantasy world filled with magic and Victorian technology - steam-driven monstrosities, clockwork beasts, black powder firearms, and more.