# Is ""X"" by Sue Grafton a First Edition?

> **Quick answer.** A first edition of &quot;X&quot; by Sue Grafton (G.P. Putnam&#x27;s Sons, 2015) is identified by: Number line ending in 1 on the copyright page. US Marian Wood Books/Putnam hardcover is the true first; twenty-fourth Kinsey Millhone novel.

**Checklist — a true first has these:**
- Number line ending in 1 on the copyright page
- Marian Wood Books / Putnam imprint
- Title is the single letter X, the only volume in the Alphabet series without a paired word
- Publisher imprint reads G.P. Putnam's Sons
- Not a book-club edition (see below)

| | |
|---|---|
| Author | Sue Grafton |
| Publisher | G.P. Putnam&#x27;s Sons |
| Year | 2015 |
| True first | US edition |
| Format | Hardcover (trade) |
| Key point | Number line ending in 1 on the copyright page |
| Book-club edition exists? | — |

## Points of issue
Number line ending in 1 on the copyright page. Marian Wood Books / Putnam imprint. Title is the single letter X, the only volume in the Alphabet series without a paired word.

## Is this the true first?
US Marian Wood Books/Putnam hardcover is the true first; twenty-fourth Kinsey Millhone novel.

## Telling it from reprints & book-club editions
None significant.

## Source
New Mexico Literacy Project — Is *"X"* by Sue Grafton a first edition? https://newmexicoliteracyproject.org/first-edition/x
CC BY 4.0. Part of the Canonical First-Edition Points of Issue dataset (https://newmexicoliteracyproject.org/api/first-edition-titles.json). Last reviewed 2026-07-03.
