# Is "The Lost Hero (Heroes of Olympus 1)" by Rick Riordan a First Edition?

> **Quick answer.** A first edition of The Lost Hero (Heroes of Olympus 1) by Rick Riordan (Disney-Hyperion, 2010) is identified by: First printing of the US edition (Disney-Hyperion, ISBN 978-1-4231-1339-3) is identified by the full number line that includes both 1 and 10 on the copyright page, in the interleaved form 1 3 5 7 9 10 8 6 4 2. US first edition (Disney-Hyperion, October 2010), the recognized first for this American author; the US edition is the standard collector reference over the near-simultaneous UK Puffin release.

**Checklist — a true first has these:**
- First printing of the US edition (Disney-Hyperion, ISBN 978-1-4231-1339-3) is identified by the full number line that includes both 1 and 10 on the copyright page, in the interleaved form 1 3 5 7 9 10 8 6 4 2
- Jacket art by John Rocco; the printed jacket price appears on the front flap and should be present
- Publisher imprint reads Disney-Hyperion
- Not a book-club edition (see below)

| | |
|---|---|
| Author | Rick Riordan |
| Publisher | Disney-Hyperion |
| Year | 2010 |
| True first | US edition |
| Format | Children's / illustrated |
| Key point | First printing of the US edition (Disney-Hyperion, ISBN 978-1-4231-1339-3) is identified by the full number line that includes both 1 and… |
| Book-club edition exists? | — |

## Points of issue
First printing of the US edition (Disney-Hyperion, ISBN 978-1-4231-1339-3) is identified by the full number line that includes both 1 and 10 on the copyright page, in the interleaved form 1 3 5 7 9 10 8 6 4 2. Jacket art by John Rocco; the printed jacket price appears on the front flap and should be present.

## Is this the true first?
US first edition (Disney-Hyperion, October 2010), the recognized first for this American author; the US edition is the standard collector reference over the near-simultaneous UK Puffin release.

## Telling it from reprints & book-club editions
On the true first the number line runs 1 3 5 7 9 10 8 6 4 2; later printings drop the low numbers so the line no longer begins with 1.

## Source
New Mexico Literacy Project — Is *The Lost Hero (Heroes of Olympus 1)* by Rick Riordan a first edition? https://newmexicoliteracyproject.org/first-edition/the-lost-hero-heroes-of-olympus-1
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.