This volume is the culmination of an inter-disciplinary project undertaken as part of The Discovery Programme involving archaeologists, historians, linguists and place name experts. It includes prosopographies of the kings and queens of Tara from mythology to the eighth century; a re-assessment of the nature of the kingship of Tara; legal aspects of the kingship of Tara; the origin and extent of the place name Temair; Tara and the supernatural; the archaeology and topography of the kingdom of Brega; editions of two of the earliest texts relating to the kingship of Tara. This volume offers many new insights into prehistoric and medieval Tara.