Notes: Copyright page states: "First published by Victor Gollancz. This edition was produced in 1973 for sale to its members only by the proprietors, Readers Union Limited, PO Box 6 Newton Abbot, Devon TQ12 2DW. Full details of membership will gladly be sent on request. Reproduced and printed in Great Britain by W J Holman Limited Dawlish, Devon." The price of this book club edition is not stated in the book, but the dust jacket states: "This edition is issued by the Science Fiction Book Club solely for members of book clubs in the Readers Union Group. The book was originally published at £1.80" Catalog number (not stated in the pub) is from this website.