Chicago: Advent Publishers, Inc., 1970. First Edition. Hardcover. 154pp. Cloth. Edited and with an introduction by James Blish. Collects ten essay on Robert A. Heinlein, Theodore Sturgeon, Algis Budrys, and more. A fine copy in near fine dustjacket with light toning to edges. ; Octavo. More

Chicago: Advent Publishers, Inc., 1970. Softcover. 136pp. Original wrappers. A text for would-be writers of science fiction. Introduction by James Blish. Light toning to spine. A fine copy. ; Octavo. More