The fastest check: Stated "First Edition" (1922–present)
How to identify a first printing
- Stated "First Edition" (1922–present)
- Modern titles add a number line
- Letter date-codes (Harper & Brothers, 1912+)
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
- Documented to occasionally leave “First Edition” on later printings; always cross-check the number line.
Imprints
First editions also appear under: Harper & Brothers, Harper & Row. Each generally follows the house convention above.
Frequently asked questions
How do I know if my HarperCollins book is a first edition?
Check the copyright page. Stated "First Edition" (1922–present) Modern titles add a number line
Does HarperCollins use a number line?
Modern titles add a number line
Is a book-club edition a HarperCollins first edition?
No. Book-club editions reprint the text but are not the true first edition. Documented to occasionally leave “First Edition” on later printings; always cross-check the number line.
What era does this cover?
This covers HarperCollins. Conventions changed over time, so confirm the era of your copy.