- Adventure
- Sophie Watson collection
- Ages 9–13
Sophie Watson
Part of the collectionSophie Watson→Six brisk, chase-driven adventure-mysteries following a cautious girl turned hero and her mysterious friend, for confident 9-13 readers who like real jeopardy.
- Books6 / 6
- Arcs1
- Span2017–2025
- StatusUnknown
The series
At a glance.
A.B. Martin's six-book adventure-mystery series follows Sophie Watson, a cautious English schoolgirl, and her bold, mysterious friend Sienna, through a run of self-contained, high-stakes cases. From the seaside plot of Kestrel Island through a spooky Halloween wood, wintry London, a Mayan treasure hunt, a storm-lashed coast and a Roman-ruined city, each book pairs a fresh setting with the series' reliable blend of chases, narrow escapes and a creeping sense of danger. The throughline is character rather than plot: Sophie grows from timid and risk-averse into a brave, capable hero, with the friendship between the two girls anchoring every adventure. Written at a brisk, filmic pace with short cliffhanger chapters, it suits confident 9-13 readers who want momentum, jeopardy and real stakes, and works for reluctant readers who need a page-turner.
Six brisk, chase-driven adventure-mysteries following a cautious girl turned hero and her mysterious friend, for confident 9-13 readers who like real jeopardy.
Primary themes
Overall tone
- Exciting
- Suspenseful
- Adventurous
- Scary
Each book is a self-contained mystery, but publication order is recommended - Sophie's growth from timid to brave and her friendship with Sienna deepen across the run.
One arc
The shape of the series.
- IStandalone collection arcBooks 1–6 · 2017–2025Moderate sensitivity
Sophie and Sienna's adventures
Six self-contained, chase-driven mysteries for Sophie and Sienna, each in a new high-stakes setting.
The Sophie Watson series is episodic, so this single collection covers all six books. Each is a self-contained adventure-mystery in a distinctive setting - a mysterious island, a spooky Halloween wood, wintry London, a Mayan treasure trail, a storm-lashed coast and a Roman-ruined city - built on chases, narrow escapes and rising danger. The recurring pleasures are the same throughout: the deepening friendship of Sophie and Sienna, real jeopardy, and Sophie's steady growth into a braver hero. Sensitivity is moderate - there is genuine peril, some violence and scary imagery - so it best suits confident 9-13 readers rather than very sensitive ones, and reads well aloud to slightly younger listeners who enjoy the thrill.
Book 1Kestrel IslandIndependently Published · MMXVIIKestrel IslandBook 2Under Crook's WoodIndependently Published · MMXVIIIUnder Crook's WoodBook 3Raven's WharfIndependently Published · MMXIXRaven's WharfBook 4Silver's GoldIndependently Published · MMXXISilver's GoldBook 5Dion's ShadowIndependently Published · MMXXIIIDion's ShadowBook 6Arator's SecretIndependently Published · MMXXVArator's Secret
Fit check
Right for your reader?
Where the series lands by age
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- 15
- 17
- 19
- Best fit · 9–13
- Read aloud · 8–11
- Independent · 9–13
Reluctant-reader friendliness
High
Read-aloud quality
Workable
Adult crossover
Low
Grows with the reader
Not especially
Sensitivity envelope
Moderate overall, and consistent.
Content notes
- Violence
- Scary imagery
Where it sits
In conversation with other series.
About the author