# The Agathas

**Author:** Kathleen Glasgow
**Grade range:** Grades 9–12
**Age range:** 14–18
**First published:** 2022
**Genre:** Mystery
**ISBN-13:** `9780593431139`
**ISBN-10:** `0593431138`
**Canonical URL:** https://readinglist.school/book/the-agathas
**License:** [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) — please credit ReadingList.school when citing.

## About this book

Two unlikely teen sleuths — a fallen-from-grace popular girl and an outcast — team up to solve a Castle Cove murder using the methods of Agatha Christie. A New York Times bestseller. a 2026-2027 California Young Reader Medal (Young Adult) nominee.

## Themes

- mystery
- friendship
- justice

## Where this book is assigned

### California Young Reader Medal

- **recommended** · 9th grade · California — [source: California Young Reader Medal 2026-2027 Nominee List (Primary, Picture Books for Older Readers, Intermediate, Middle School/Junior High, Young Adult)](https://www.californiayoungreadermedal.org/nominees)
- **recommended** · 10th grade · California — [source: California Young Reader Medal 2026-2027 Nominee List (Primary, Picture Books for Older Readers, Intermediate, Middle School/Junior High, Young Adult)](https://www.californiayoungreadermedal.org/nominees)
- **recommended** · 11th grade · California — [source: California Young Reader Medal 2026-2027 Nominee List (Primary, Picture Books for Older Readers, Intermediate, Middle School/Junior High, Young Adult)](https://www.californiayoungreadermedal.org/nominees)
- **recommended** · 12th grade · California — [source: California Young Reader Medal 2026-2027 Nominee List (Primary, Picture Books for Older Readers, Intermediate, Middle School/Junior High, Young Adult)](https://www.californiayoungreadermedal.org/nominees)

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