Product guide

Girl Detective: Friday Barnes Mysteries, Book 1

Girl Detective is the first book in the Friday Barnes Mysteries, following an eleven-year-old detective who enrolls at an elite boarding school and takes on mysteries ranging from missing homework to a supposed Yeti. Its Kindle listing gives a 273-page length and reading tools including Word Wise and Page Flip.

At a glance

A young detective investigates a range of school mysteries, including missing homework and a rumored Yeti.
The first installment of the Friday Barnes mystery series.
The listing specifies a 273-page length and Kindle reading features such as Word Wise.

Price

$1.99Save 78%

Reference price: ~~$8.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

A clear episodic mystery premise combines school life with several cases to investigate.
Useful Kindle reading features include supported screen reader, enhanced typesetting, Word Wise, and Page Flip.

Technical specifications

14 specifications

Book details
Series position	Book 1
Publisher	Roaring Brook Press
Publication date	January 17, 2017
Language	English
Print length	273 pages
Grade level	3 - 7
Reading age	8 - 11 years, from customers
ISBN-13	978-1250141989

Kindle edition details
File size	6.7 MB
Screen reader	Supported
Enhanced typesetting	Enabled
X-Ray	Not Enabled
Word Wise	Enabled
Page Flip	Enabled

What to know before buying

Listing details to confirm

The listed reading age is identified as customer-derived, while the grade-level range is separate listing metadata. The story description calls Friday eleven, so these age indicators should be treated as guidance rather than a guaranteed reading match.

Who is it for?

A good fit for

Middle-grade readers who enjoy clever young detectives and school-based mysteries.
Readers looking for a humorous mystery with several questions to follow through the story.

Less suited to

Readers looking for nonfiction or a standalone story unrelated to a series.

Customer reviews on Amazon

4.7 / 5 · 167 ratings

5 stars81%81%
4 stars14%14%
3 stars2%2%
2 stars1%1%
1 star2%2%

Customer feedback describes the book as entertaining, with dry humor and mysteries that keep readers guessing. That reaction suits the described school-detective plot, while the Kindle listing's age and grade ranges may help families assess fit. Aggregate ratings are largely positive, but ratings alone do not establish why every reader responded as they did.

Positive themes

Customers mention entertaining content and humor.
Readers appreciate the mystery elements and guessing along with the story.

Frequently asked questions

What is Girl Detective about?

Friday Barnes, an eleven-year-old sleuth, uses reward money to attend an exclusive boarding school and investigates mysteries there, including missing homework and a supposed Yeti.

Is this the first book in the series?

Yes. The listing identifies Girl Detective as Book 1 in the Friday Barnes Mysteries.

What reading age is listed?

The listing gives a customer-derived reading age of 8–11 years and a grade-level range of 3–7. These are guidance, not a guarantee of suitability for every reader.

Which Kindle reading features are listed?

Screen reader support, enhanced typesetting, Word Wise, and Page Flip are listed as supported or enabled. X-Ray is listed as not enabled.