Book Series · 1 Book

Cassia Thorne Mysteries Books

Deep Dark
Deep Dark
Deep Dark
Deep Dark
Deep Dark
Where the story begins

First Book in the Series

Deep Dark
Sale price
$858
Book #1 · Chapter Book · Ages 9–18 · 2025

Deep Dark

A ballad seller who spends her nights in prison chases a mystery through old London.

336 pages
$8.99Save 5%
Paperback
Summary: Cassia Thorne leads a double life: by day she sells ballads at Bartholomew Fair, and by night she is locked up in Fleet Prison. She has plans to escape both lives, but when a boy is swallowed by the dark, Cassia is drawn into a mystery that runs through the streets and secrets of eighteenth-century London.
The complete set

Cassia Thorne Mysteries Series

1 book · Published 2025

Sale price
$858

Deep Dark

Chapter Book · Ages 9–18 · 2025

A ballad seller who spends her nights in prison chases a mystery through old London.

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Common Questions

How many books are in the Cassia Thorne Mysteries series?

There is one Cassia Thorne Mysteries book so far: Deep Dark.

What ages are the Cassia Thorne Mysteries books best for?

The series is best for ages 9–18, based on the age ranges of the individual books.

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The people who bring Cassia Thorne Mysteries to life.

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