Jacket Design copyright © 1990 by One Plus One Studio
Dust Jacket Flap Text
An Ace/Putnam Book. Published by G.P. Putnam's Sons. Copyright © 1961, renewed 1989 by Virginia Heinlein. Copyright © 1991 by Virginia Heinlein. The price of the book was $24.95.
I purchased this book as soon as it came out, so I don't know how many printings it went through before they discontinued the hardback. Some science fiction book clubs may still sell a hardback of the 1991 version. The cover's kind of plain, but I like it.