| Mislaid in Parts Half-Known | |
|---|---|
 Cover of first edition | |
| Author | Seanan McGuire |
| Country | United States |
| Language | English |
| Series | Wayward Children |
| Genre(s) | Fantasy |
| Publisher | Tor.com |
| ISBN | 978-1-250-84850-5 |
| Publication date | January 9, 2024 |
| Preceded by | Lost in the Moment and Found |
| Followed by | Adrift in Currents Clean and Clear |
Mislaid in Parts Half-Known is a 2024 fantasy novella by American author Seanan McGuire. It is the ninth book published in the Wayward Children book published in the series and Antsy and other children from the School for Wayward Children as they travel to multiple worlds.