Product guide

No Rules: Friday Barnes Mysteries, Book 4

Mysteries Book: No Rules is the fourth Friday Barnes mystery by R.A. Spratt, in which Friday is deported to Switzerland and Highcrest Academy spirals into chaos. The Kindle edition is listed at 273 pages and aimed at readers ages 8–12, with a school prank and an investigation to draw younger mystery fans in.

At a glance

Friday must prove Ian's innocence, identify who fired the teachers as a prank, and contend with a questionable new vice principal.
The listing positions the book for grades 3–7 and readers ages 8–12.
Kindle reading features listed include Screen Reader support, Word Wise, and Page Flip.

Price

$1.99Save 80%

Reference price: ~~$9.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

A central school prank and several connected mysteries give the story a clear detective-driven premise.
The listed reading-age range helps families assess whether the book may suit a younger reader.

Technical specifications

14 specifications

Book details
Series position	Book 4
Publisher	Roaring Brook Press
Publication date	August 1, 2017
Language	English
Print length	273 pages
ISBN-13	978-1626726406
Grade level	3 - 7
Reading age	8 - 12 years

Kindle edition
File size	32.7 MB
Screen Reader	Supported
Enhanced typesetting	Enabled
X-Ray	Not Enabled
Word Wise	Enabled
Page Flip	Enabled

What to know before buying

The plot summary places this installment after Friday's deportation to Switzerland and references characters and events at Highcrest Academy. Readers unfamiliar with the series may prefer to start earlier.

Who is it for?

A good fit for

Middle-grade readers who enjoy humorous school mysteries and a girl detective protagonist.
Readers of the earlier Friday Barnes books looking for the fourth installment.

Less suited to

Readers seeking a standalone story without prior series context, since this is book four and continues the series setting.

Customer reviews on Amazon

4.7 / 5 · 629 ratings

5 stars83%83%
4 stars12%12%
3 stars1%1%
2 stars2%2%
1 star2%2%

The supplied aggregate ratings skew strongly toward five-star ratings, with a smaller share of lower-star ratings. Without customer comments, these figures do not establish which aspects readers liked or disliked. They offer only a broad, limited signal and cannot predict whether a child will enjoy this particular school-mystery plot.

Frequently asked questions

What is No Rules about?

Friday Barnes is away in Switzerland while Highcrest Academy faces an elaborate prank, suspicion surrounding Ian, and questions about a new vice principal. Friday works to solve the problems and save her school.

Which book in the Friday Barnes series is this?

It is No Rules, the fourth book in the Friday Barnes Mysteries series.

What ages is this edition listed for?

The listing gives a reading age of 8–12 years and grade level of 3–7.

What Kindle reading features are listed?

Screen Reader support, enhanced typesetting, Word Wise, and Page Flip are enabled. X-Ray is not enabled.