Return of the forgotten
Lisa Fiedler
Return of the forgotten
Age Rating, Reading Level & Content Guide
by Lisa Fiedler
Illustrated by To, Vivienne, illustrator
The text is written at a 7th 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
The damp, echoing subway tunnels smell of rust and secrets. Every scurry and whisper could be a friend—or a foe—waiting in the shadows. Beneath it all, Firren carries a secret heavier than the dark, while Hope’s disappearance leaves a hole no light can fill.
Themes
Quick Assessment
This middle-grade adventure follows Firren as she navigates the dangers of subway tunnels filled with rats, spiders, and hidden secrets, all while coping with the disappearance of her daughter. The story explores themes of fate, loyalty, and courage in a suspenseful but age-appropriate way. Suitable for readers aged 9-12, it includes a bonus prequel story providing additional world-building.
Why we rated Return of the forgotten 12LE
Return of the forgotten is written at a Level 7 reading level across 310 pages. Strong independent readers around grade 8.0 can typically handle this book on their own; with parent or teacher support, Return of the forgotten works for readers up to grade 9.0.
We rate Return of the forgotten as 12LE ("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, Return of the forgotten explores adventure, fate and fatalism, animals, and utopias — 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, fate and fatalism, animals.
Maybe not for
- ! Readers whose emotional readiness lags behind their decoding skills — this book's intensity outruns its reading level, a classic "gifted kid" mismatch.
- ! Reluctant readers who need a fast hook — the pacing here rewards patience.
For Parents
Content Intensity
12LE — Light — EmotionalLight conflict or tension. Mild peril resolved quickly.
Was our "Mild" content intensity rating accurate for this book?
Reading Insights
Hook Factor
2/10A steady, thoughtful read that rewards patient readers.
Discussion Potential
1/10A lighter read — great for independent enjoyment.
Book DNA
Multi-dimensional content fingerprint
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Details
Book Length
- ISBN
- 9781481420921
- Pages
- 310
- Publisher
- Simon and Schuster
- Published
- 2015
- Type
- Fiction