Riders of Rohan is a source book for the Middle Earth Role Playing Game (MERP). Riders of Rohan deals with the enigmatic and brave horse lords. This source book covers the Riders of the Mark in great detail, across three seperate periods: -Their existence on the plains of Rohan before the war with the Wainriders. -Their life in the vales of Anduin and their war with Scatha the Drake. -Their settlement in Rohan. Riders of Rohan also covers people of note, information on playing in any one of the three major periods covered, major sites and settlements, and a set of adventures through the history of the Rohirrim.