The Superpowers and the Third World: Turkish-American Relations and Cyprus, by Suha Bolukbasi. 259 pages, bibliography. Miller Center for Public Affairs, University of Virginia; University Press of America, Lanham, Md. 1988. $27.50 pb (student text edition $14.75).Greek-Turkish Relations Since 1955, by Tozun Bahcheli. 194 pages, maps, appendices, bibliography, index. Westview Press, Boulder 1990. $28.50 pb.