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| Cover artist | Joy Ang |
|---|---|
| Published | January 1, 2013 |
| Page count | 336 |
| ISBN | 9780545349192 (hardcover) 9780545349246 (paperback) |
| Preceded by | The Dragonet Prophecy |
| Followed by | The Hidden Kingdom |
The Lost Heir is the second novel in the Wings of Fire novel series and is the second book in arc one. It features Tsunami as the main protagonist.