Swamp of the Frogmen

From the introduction: Swamp of the Frogmen is intended for four characters with an average party level (APL) of 1. Characters who complete this adventure should earn enough experience to reach 3rd-level. Frogmen have stolen a valuable artifact from a traveling merchant and he desperately needs it back. This campaign takes place in Arden, although it can be set in your own world. Any party composition should be able to finish the adventure with intelligent play.