The points of issue
Berkley Medallion paperback original, catalog number X1372, sixty-cent cover price, published February 1967. Expands the earlier short story 'Your Appointment Will Be Yesterday' (Amazing Stories, August 1966).
Is this the true first?
The US Berkley Medallion paperback original is the true first edition in book form.
Telling it from reprints & book-club editions
No book club edition. Issued as a paperback original.
Frequently asked questions
Is my copy of Counter-Clock World a first edition?
Look for these first-edition points: Berkley Medallion paperback original, catalog number X1372, sixty-cent cover price, published February 1967. Expands the earlier short story 'Your Appointment Will Be Yesterday' (Amazing Stories, August 1966).
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. The US Berkley Medallion paperback original is the true first edition in book form.
Is the book-club edition the same as the first?
No book club edition. Issued as a paperback original.
I have a first edition of Counter-Clock World — 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.