Archaeological Investigations at Nan Madol: Islet Maps and Surface Artifacts. By J. Stephen Athens. Pacific Studies Institute, Agana, Guam. 1980. Pp. xi + 194.The Discovery and Archaeolological Investigation of Nan Madol, Ponape, Eastern Caroline Islands: An Annotated Bibliography. By J. Stephen Athens. Micronesian Archaeological Survey Reports, No. 3. Historic Preservation Office, Trust Territory of the Pacific Islands, Saipan, 1981. Pp. 20.