The points of issue
Ace Double D-457 paperback original, bound dos-a-dos with John Brunner's The Skynappers. 1960, cover price 35 cents.
Is this the true first?
US Ace paperback original is the true first book appearance.
Telling it from reprints & book-club editions
No book club edition.
Frequently asked questions
Is my copy of Vulcan's Hammer a first edition?
Look for these first-edition points: Ace Double D-457 paperback original, bound dos-a-dos with John Brunner's The Skynappers. 1960, cover price 35 cents.
How do I tell the first printing from a later one?
Check the copyright page for the publisher's first-printing convention and confirm the points above. US Ace paperback original is the true first book appearance.
Is the book-club edition the same as the first?
No book club edition.
I have a first edition of Vulcan's Hammer — what should I do?
If you're clearing books, New Mexico Literacy Project offers free pickup in Albuquerque, any condition, and makes sure collectible copies aren't lost. To sell, see the author's collecting guide. Either way, nothing valuable ends up in a landfill.