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First-Edition Identification · US Trade Publishers

How to Identify a Viking Press / Penguin First Edition

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The fastest check: “First Published by Viking in [Year]” statement (1937–present)

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

Frequently asked questions

How do I know if my Viking Press / Penguin book is a first edition?

Check the copyright page. “First Published by Viking in [Year]” statement (1937–present) On 1980s titles, a number line appears on later printings only

Does Viking Press / Penguin use a number line?

On 1980s titles, a number line appears on later printings only

Is a book-club edition a Viking Press / Penguin first edition?

No. Book-club editions reprint the text but are not the true first edition. Counter-intuitive: a number line on a 1980s Viking usually signals a later printing, not a first.

What era does this cover?

This covers Viking Press / Penguin. Conventions changed over time, so confirm the era of your copy.

More first-edition identification