The Mad Gasser of Besseldorf Street
Phyllis Reynolds Naylor
The Mad Gasser of Besseldorf Street
Age Rating, Reading Level & Content Guide
by Phyllis Reynolds Naylor
The text is written at a 4th 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
Here's a secret: strange gas attacks are happening at the parachute factory, and Sam thinks the mysterious Mad Gasser might be hiding right in the hotel his family runs. But uncovering the truth is only the beginning of the adventure that awaits.
Quick Assessment
This middle-grade mystery follows Sam as he tries to solve the strange gas attacks affecting workers at a local factory. Suitable for ages 9-12, the story explores themes of suspicion and courage without intense violence or mature content.
Why we rated The Mad Gasser of Besseldorf Street 9LP
The Mad Gasser of Besseldorf Street is written at a Level 4-5 reading level across 114 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The Mad Gasser of Besseldorf Street works for readers up to grade 6.5.
We rate The Mad Gasser of Besseldorf Street as 9LP ("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.
Specific content flags noted by reviewers: Mild Peril.
Thematically, The Mad Gasser of Besseldorf Street explores mystery, adventure, friendship, and family — 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 mystery, adventure, friendship.
Maybe not for
- ! Readers looking for something heavier — this is a gentle, low-stakes story by design.
For Parents
Content Intensity
9LP — Light — PhysicalLight conflict or tension. Mild peril resolved quickly.
Content Flags
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
Madeline
Ludwig Bemelmans
Madeline
Ludwig Bemelmans
The Mystery at Magnolia Mansion
Carolyn Keene
The Mystery at Magnolia Mansion
Carolyn Keene
Mad Maudlin (Bedlam's Bard)
Mercedes Lackey
Mad Maudlin (Bedlam's Bard)
Mercedes Lackey
The case of the gasping garbage
Michele Torrey
The case of the gasping garbage
Michele Torrey
Strange Unsolved Mysteries
Phyllis Raybin Emert
Strange Unsolved Mysteries
Phyllis Raybin Emert
Mad about Madeline
Ludwig Bemelmans
Mad about Madeline
Ludwig Bemelmans
Details
Book Length
- ISBN
- 9789993061199
- Pages
- 114
- Publisher
- Camelot
- Published
- November 1992
- Type
- Fiction