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The Frankenstein journals

Scott Sonneborn

Cover of The Frankenstein journals

The Frankenstein journals

Age Rating, Reading Level & Content Guide

by Scott Sonneborn

Illustrated by Banks, Timothy, illustrator

Reading Level 4-5 9LE Ages 9-12 Balanced Read

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.

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About This Book

J.D. races through the shadowy forest, clutching the mysterious journal that belonged to Victor Frankenstein. He’s not just any kid—he’s the son of the monster himself, and now he’s on a daring quest to find the strange relatives hidden in the pages of history. But what dangers lurk ahead when family secrets come to life?

Quick Assessment

This middle-grade novel follows J.D., who learns he is the son of Frankenstein's monster and embarks on an adventurous journey using Dr. Frankenstein's journal to uncover his unusual family history. Suitable for ages 9-12, the story combines elements of classic literature with thrilling adventure, encouraging curiosity about science and identity. There is mild fantasy peril as J.D. encounters mysterious relatives, but the content remains appropriate for middle-grade readers.

Why we rated The Frankenstein journals 9LE

The Frankenstein journals is written at a Level 4-5 reading level across 157 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, The Frankenstein journals works for readers up to grade 6.5.

We rate The Frankenstein journals as 9LE ("Light — Emotional") 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, The Frankenstein journals explores adventure, science & nature, family, coming of age, and fantasy world-building — 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.
  • Patient readers who enjoy slower, character-driven stories.
  • Kids drawn to stories about adventure, science & nature, family.

Maybe not for

  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

9LE — Light — Emotional
Emotional
Light
Physical
Light
Social
Clear
Thematic
Light

Light conflict or tension. Mild peril resolved quickly.

Data confidence: standard

Was our "Mild" content intensity rating accurate for this book?

Reading Insights

Hook Factor

2/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

3/10

A lighter read — great for independent enjoyment.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
4
Emotional Weight
4
Theme Richness
5
World Scope
1
Data Confidence
7

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Details

Book Length

157 pages
ISBN
9781434294685
Pages
157
Publisher
Stone Arch Books
Published
2014
Type
Fiction

Genres

Subjects

Characters in LiteratureAdventure and AdventurersVictor FrankensteinScientistsLifeHuman Experimentation in MedicineArtificial LifeAdventure StoriesFrankenstein's MonsterOrphansMonstersAdventure Fiction

People

Frankenstein's Monster (Fictitious character)Victor Frankenstein (Fictitious character)