- On copyright page: "First Edition", printing number line "80 81 82 83 84 10 9 ... 2 1", and "Copyright (c) 1980 by R. Bretnor".
- Locus #240 (December 1980) said publication month is November, and on front flap of jacket is "1180" indicating November. Note that the verification copy has a Harper & Row reviewers slip with "December 3, 1980" as date of publication.
- Note that the ISBN on this book is also on another Harper & Row book, "Nebula Winners Fourteen", which was published 3 months earlier.
- Price on front flap of jacket. On back flap is "Jacket design by Jon Weiman". On copyright page is "Designer: Ruth Bornschlegel".