# Is "Planet of Exile" by Ursula K. Le Guin a First Edition?

> **Quick answer.** A first edition of Planet of Exile by Ursula K. Le Guin (Ace, 1966) is identified by: Ace Double paperback original, catalog number G-597, bound tete-beche with 'Mankind Under the Leash' by Thomas M. US Ace paperback original is the true first edition.

**Checklist — a true first has these:**
- Ace Double paperback original, catalog number G-597, bound tete-beche with 'Mankind Under the Leash' by Thomas M. Disch
- Cover the printed price
- This is the only printing pairing the two novels and the true first book publication of each
- Publisher imprint reads Ace
- Not a book-club edition (see below)

| | |
|---|---|
| Author | Ursula K. Le Guin |
| Publisher | Ace |
| Year | 1966 |
| True first | US edition |
| Format | Hardcover (trade) |
| Key point | Ace Double paperback original, catalog number G-597, bound tete-beche with 'Mankind Under the Leash' by Thomas M. Disch |
| Book-club edition exists? | No |

## Points of issue
Ace Double paperback original, catalog number G-597, bound tete-beche with 'Mankind Under the Leash' by Thomas M. Disch. Cover the printed price. This is the only printing pairing the two novels and the true first book publication of each.

## Is this the true first?
US Ace paperback original is the true first edition.

## Telling it from reprints & book-club editions
No book club edition.

## Source
New Mexico Literacy Project — Is *Planet of Exile* by Ursula K. Le Guin a first edition? https://newmexicoliteracyproject.org/first-edition/planet-of-exile
CC BY 4.0. Part of the Canonical First-Edition Points of Issue dataset (https://newmexicoliteracyproject.org/api/first-edition-titles.json). Last reviewed 2026-07-04.