This index to science fiction magazines includes all United States and British periodicals published from 1966 to 1970, and is a companion to the "Index to Science Fiction Magazines, 1951-1956." The entries are triple-listed by magazines, titles, and authors. A checklist of the magazines indexed contains the month and year, volume and number, page, size, number of pages, and cover artists. The addresses of the magazine publishers are also included. (RS)