A science fiction unit on space designed for secondary schools is described and advocated in this article. This experimental program, presented to 9th grade students at University High School, State University of Iowa, provides a highly imaginative experience in literature while raising unique philosophical and moral problems not found in other categories of literature. The author presents a detailed program with specific course objectives. Major goals include an understanding of science fiction literary techniques and a comprehension of scientific concepts. A list of science fiction books rated for their merit is included with a discussion of criteria used in their selection. Reference to other genres of science fiction material is also made. (RL)