New York: Doubleday, 1985. First Edition. Hardcover Hardcover. Fine/Fine. A collection of letters edited by Asimov's brother. First edition (first printing). A fine copy in a fine dust jacket. Publisher's press release laid in. First Edition
New York:: Doubleday,, (1995). Fine in a fine dust jacket.. Book club edition. Includes excerpts from more than one thousand never before published letters. xii, 332 pp.