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First-Edition Identification · US Trade Publishers

How to Identify a Custom House First Edition

US (New York) · 2016–c.2023

The fastest check: First printing shows a complete number line counting down to 1 (e.g., 10 9 8 7 6 5 4 3 2 1) with no later-printing notice

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: Custom House. Each generally follows the house convention above.

Frequently asked questions

How do I know if my Custom House book is a first edition?

Check the copyright page. First printing shows a complete number line counting down to 1 (e.g., 10 9 8 7 6 5 4 3 2 1) with no later-printing notice Often accompanied by a printed "FIRST EDITION" statement on the copyright page, following standard HarperCollins/William Morrow practice

Does Custom House use a number line?

Often accompanied by a printed "FIRST EDITION" statement on the copyright page, following standard HarperCollins/William Morrow practice

Is a book-club edition a Custom House first edition?

No. Book-club editions reprint the text but are not the true first edition. Literary fiction and nonfiction imprint announced in October 2015 under William Morrow at HarperCollins, with its first titles appearing in spring 2016 (e.g., Sarah Perry's The Essex Serpent)

What era does this cover?

This covers Custom House (2016–c.2023). Conventions changed over time, so confirm the era of your copy.

More first-edition identification