# Is "Daughter of the Deep" by Rick Riordan a First Edition?

> **Quick answer.** A first edition of Daughter of the Deep by Rick Riordan (Disney-Hyperion, 2021) is identified by: First-printing trade hardcover identified by a complete number line ending in 1 on the copyright page; Disney-Hyperion, 2021; first-state dust jacket present. US first, published October 26, 2021.

**Checklist — a true first has these:**
- First-printing trade hardcover identified by a complete number line ending in 1 on the copyright page
- Disney-Hyperion, 2021; first-state dust jacket present
- Standalone Jules Verne-inspired science-fiction adventure
- Disney-Hyperion relies on the number line rather than a stated 'First Edition.'
- Publisher imprint reads Disney-Hyperion
- Not a book-club edition (see below)

| | |
|---|---|
| Author | Rick Riordan |
| Publisher | Disney-Hyperion |
| Year | 2021 |
| True first | US edition |
| Format | Children's / illustrated |
| Key point | First-printing trade hardcover identified by a complete number line ending in 1 on the… |
| Book-club edition exists? | — |

## Points of issue
First-printing trade hardcover identified by a complete number line ending in 1 on the copyright page; Disney-Hyperion, 2021; first-state dust jacket present. Standalone Jules Verne-inspired science-fiction adventure. Disney-Hyperion relies on the number line rather than a stated 'First Edition.'

## Is this the true first?
US first, published October 26, 2021. Disney-Hyperion issued the true first trade hardcover. Note that signed and retailer-exclusive editions (with distinct ISBNs) also exist alongside the standard first printing.

## Telling it from reprints & book-club editions
Later printings advance or drop the number line so it no longer ends in 1.

## Source
New Mexico Literacy Project — Is *Daughter of the Deep* by Rick Riordan a first edition? https://newmexicoliteracyproject.org/first-edition/daughter-of-the-deep
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.