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First-Edition Identification · US Trade Publishers

How to Identify a Dey Street Books First Edition

US (New York) · 2014–present (as It Books 2009–2014)

The fastest check: True first printings follow the standard HarperCollins convention: "First Edition" stated on the copyright page together with a complete descending number line ending in 1.

How to identify a first printing

Decode the printer's key: paste the number line into the number-line decoder, search any title in the First Edition Checker, or run a book through the identifier.

Notable points & cautions

Imprints

First editions also appear under: Dey Street, Harper Pop (related, 2025). Each generally follows the house convention above.

Frequently asked questions

How do I know if my Dey Street Books book is a first edition?

Check the copyright page. True first printings follow the standard HarperCollins convention: "First Edition" stated on the copyright page together with a complete descending number line ending in 1. On later printings the lowest digit rises above 1 and the "First Edition" statement is typically removed.

Does Dey Street Books use a number line?

On later printings the lowest digit rises above 1 and the "First Edition" statement is typically removed.

Is a book-club edition a Dey Street Books first edition?

No. Book-club editions reprint the text but are not the true first edition. Pop-culture / nonfiction imprint within HarperCollins, launched in 2009 as It Books and renamed Dey Street Books with its first list in fall 2014.

What era does this cover?

This covers Dey Street Books (2014–present (as It Books 2009–2014)). Conventions changed over time, so confirm the era of your copy.

More first-edition identification