# Is "Borders of Infinity" by Lois McMaster Bujold a First Edition?

> **Quick answer.** A first edition of Borders of Infinity by Lois McMaster Bujold (Baen Books, 1989) is identified by: Baen Books mass-market paperback original (ISBN 0-671-69841-9); the copyright page states First printing, October 1989. The Baen paperback original (first printing, October 1989) is the true first edition of the collection; the three component novellas appeared earlier in magazines and anthologies.

**Checklist — a true first has these:**
- Baen Books mass-market paperback original (ISBN 0-671-69841-9); the copyright page states First printing, October 1989
- A story collection of three Miles Vorkosigan novellas, The Mountains of Mourning, Labyrinth, and The Borders of Infinity, joined by a framing story; cover art by Gary Ruddell
- No prior trade or hardcover edition
- Publisher imprint reads Baen Books
- Not a book-club edition (see below)

| | |
|---|---|
| Author | Lois McMaster Bujold |
| Publisher | Baen Books |
| Year | 1989 |
| True first | — |
| Format | Hardcover (trade) |
| Key point | Baen Books mass-market paperback original (ISBN 0-671-69841-9); the copyright page states First printing, October 1989 |
| Book-club edition exists? | No |

## Points of issue
Baen Books mass-market paperback original (ISBN 0-671-69841-9); the copyright page states First printing, October 1989. A story collection of three Miles Vorkosigan novellas, The Mountains of Mourning, Labyrinth, and The Borders of Infinity, joined by a framing story; cover art by Gary Ruddell. No prior trade or hardcover edition.

## Is this the true first?
The Baen paperback original (first printing, October 1989) is the true first edition of the collection; the three component novellas appeared earlier in magazines and anthologies.

## Telling it from reprints & book-club editions
No standalone book-club edition, but the Science Fiction Book Club issued a 1990 GuildAmerica hardcover omnibus, Vorkosigan's Game, combining The Vor Game with Borders of Infinity; that omnibus is not a first edition of this title.

## Source
New Mexico Literacy Project — Is *Borders of Infinity* by Lois McMaster Bujold a first edition? https://newmexicoliteracyproject.org/first-edition/borders-of-infinity
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.