Sisters Grimm
Michael Buckley
Sisters Grimm
Age Rating, Reading Level & Content Guide
the Inside Story
by Michael Buckley
The text is written at a 6th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is mild with minimal sensitive material.
We may earn a commission from these links. Bookshop.org supports independent bookstores with every purchase.
About This Book
Sabrina and Daphne Grimm dash through the twisting pages of the Book of Everafter, chasing the sneaky Master who wants to rewrite every fairytale! But the Editor and his army of story-revisers are hot on their trail, ready to trap them inside the storybook forever. Can the sisters stop the Master before he changes the fate of the whole world?
Quick Assessment
This middle-grade fantasy adventure follows sisters Sabrina and Daphne Grimm as they journey into a magical book where classic fairytales are alive and can be rewritten. The story combines mystery and magic, suitable for ages 9-12, with themes of bravery, teamwork, and the power of stories. While the narrative involves fantasy peril and suspense, it remains appropriate for its target audience.
Why we rated Sisters Grimm 11LP
Sisters Grimm is written at a Level 6 reading level across 214 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Sisters Grimm works for readers up to grade 8.0.
We rate Sisters Grimm as 11LP ("Light — Physical") because the content sits in the "Mild" range — mild conflict — the kind a child encounters in normal play and sibling life. Across our four dimensions (emotional, physical, social, thematic) the book reads as evenly mild; no single dimension stands out as a concern.
No specific content flags were raised by community reviewers, which is consistent with the mild intensity score.
Thematically, Sisters Grimm explores adventure, fantasy world-building, mystery, family, and friendship — these threads give the book room to mean different things to different readers.
Good fit for
- ✓ Children in the Ages 9-12 range — the maturity and attention span match the story's pacing.
- ✓ Kids drawn to stories about adventure, fantasy world-building, mystery.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
11LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
3/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
2/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
Similar Books
Based on content and theme analysis
Grimms' Fairy Tales
Gebrüder Grimm [Brothers Grimm]
Grimms' Fairy Tales
Gebrüder Grimm [Brothers Grimm]
The Grimm Legacy
Polly Shulman
The Grimm Legacy
Polly Shulman
The Fairy-Tale Detectives
Michael Buckley
The Fairy-Tale Detectives
Michael Buckley
The Sisters Grimm Book 6
Michael Buckley
The Sisters Grimm Book 6
Michael Buckley
The unusual suspects
Michael Buckley
The unusual suspects
Michael Buckley
A very Grimm guide
Michael Buckley
A very Grimm guide
Michael Buckley
Details
Book Length
- ISBN
- 9781683352587
- Pages
- 214
- Publisher
- Abrams
- Published
- 2018
- Type
- Fiction