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First-Edition Identification · Science Fiction, Fantasy & Horror

How to Identify a Prime Press First Edition

US · 1947–c.1953

The fastest check: First state identified by single print run and absence of later-printing notation; some titles issued in a signed/numbered limited state with a limitation statement

How to identify a first printing

Decode the printer's key: paste the number line into the number-line decoder, or run any book through the first-edition identifier.

Notable points & cautions

Imprints

First editions also appear under: Prime Press. Each generally follows the house convention above.

Frequently asked questions

How do I know if my Prime Press book is a first edition?

Check the copyright page. First state identified by single print run and absence of later-printing notation; some titles issued in a signed/numbered limited state with a limitation statement Match original dust jacket and confirm title-page/copyright date agreement

Does Prime Press use a number line?

Match original dust jacket and confirm title-page/copyright date agreement

Is a book-club edition a Prime Press first edition?

No. Book-club editions reprint the text but are not the true first edition. Philadelphia fan-founded specialty house (late 1940s–early 1950s) contemporaneous with Fantasy Press, Gnome, and Shasta

What era does this cover?

This covers Prime Press (1947–c.1953). Conventions changed over time, so confirm the era of your copy.

More first-edition identification