This book includes description of the excavations in the East Plaza and the large acropolis-like mound to the east. all of the structures of the East Plaza are supported by a single flat surface, Platform 5D-2. Excavation revealed that the area maintained a constancy of form over time. The East Plaza served as an area for the gathering of large crowds of people. The author has identified the eastern portion of the Plaza as the principal marketplace of Tikal.