Book Series · 4 Books

Charlotte Holmes Books

In order from A Study in Charlotte to A Question of Holmes.

Four young-adult mysteries pair the teenage descendants of Sherlock Holmes and John Watson as they solve crimes and confront the damage left by their famous families.

Reviewed by the Bookroo Editors Updated August 12, 2026

Reading order

How to Read the Charlotte Holmes Series

Read A Study in Charlotte, The Last of August, The Case for Jamie, and A Question of Holmes in publication order. The mysteries change, but Charlotte and Jamie's relationship, family history, and recovery from trauma continue across all four books.

Brittany Cavallaro lists these four novels together as the Charlotte Holmes series. A Question of Holmes closes the sequence; there are no author-listed novellas or companion books to insert between the numbered novels.

Sources: Brittany Cavallaro's official books page.

For parents

What Parents Should Know

These are mature YA mysteries, not middle-grade Sherlock Holmes adaptations. They include murder, physical violence, blood, kidnapping, drug use and addiction, sexual assault and its aftermath, abusive family dynamics, strong language, alcohol, sexual situations, and ongoing trauma. Charlotte's recovery and the complicated, sometimes unhealthy bond between Charlotte and Jamie are central to the series.

Where to start

Where Should a New Reader Start?

Charlotte and Jamie's first case

Begin with A Study in Charlotte; the later mysteries assume the reader knows their shared history and trauma.

Where the story begins

First Book in the Series

Sale price

$1139

Book #1 · Chapter Book · Ages 13–18 · 2016

A Study in Charlotte

By Brittany Cavallaro

Teen descendants of Holmes and Watson face a deadly mystery at boarding school.

352 pages· 84,088 words· Est. 8 hour read

Paperback

Summary: Jamie Watson and Charlotte Holmes, descendants of the legendary detective duo, find themselves at a Connecticut boarding school. Charlotte, with her inherited quirks and vices, isn't seeking friendship. But when a student with ties to both is found dead under eerie circumstances, they must unite. As danger looms and trust is scarce, can they solve the mystery before it's too late?

In reading order

Charlotte Holmes Series

4 books · Published 2016–2019

#1 in Series

Sale price

$1139

A Study in Charlotte

Chapter Book · Ages 13–18 · 2016

Teen descendants of Holmes and Watson face a deadly mystery at boarding school.

#2 in Series

Sale price

$1049

The Last of August

Chapter Book · Ages 13–+ · 2017

A European chase reveals shocking family secrets and tests growing bonds.

#3 in Series

Sale price

$1139

The Case for Jamie

Chapter Book · Ages 13–+ · 2018

A year after tragedy, estranged partners face a deadly plot forcing them back together.

#4 in Series

Sale price

$1049

A Question of Holmes

Chapter Book · Ages 13–+ · 2019

At Oxford, mysterious accidents and a missing student pull Holmes and Watson into a chilling new case.

Good to know

Common Questions

How many books are in the Charlotte Holmes series?

There are 4 books in the Charlotte Holmes series. It began with A Study in Charlotte in 2016, and the newest book, A Question of Holmes, was published in 2019.