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Invisible Things

Jenny Davidson

Cover of Invisible Things

Invisible Things

Age Rating, Reading Level & Content Guide

by Jenny Davidson

Reading Level 6 11ME Ages 13+ Matched

The text is written at a 6th grade reading level, the subject matter is intended for teens (ages 13+), and the content has moderate intensity with some emotionally heavy themes.

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About This Book

Here's a secret: Sophie’s parents didn’t just disappear—they left behind a mystery that only she can solve. With her best friend Mikael by her side, and a shadowy billionaire holding all the answers, Sophie’s journey uncovers truths that change everything she thought she knew... but that’s only the beginning.

Quick Assessment

Invisible Things is a young adult historical fantasy set in the 20th century, following sixteen-year-old Sophie as she unravels the mystery surrounding her parents' death. The story includes themes of friendship, romance, and family secrets against the backdrop of looming war in Europe. Suitable for teens 13-18, it deals with complex themes in an age-appropriate way, with some suspense and mild peril.

Why we rated Invisible Things 11ME

Invisible Things is written at a Level 6 reading level across 272 pages. Strong independent readers around grade 7.0 can typically handle this book on their own; with parent or teacher support, Invisible Things works for readers up to grade 8.0.

We rate Invisible Things as 11ME ("Moderate — Emotional") because the content sits in the "Moderate" range — moderate conflict that may involve loss, scary scenes, or interpersonal stakes. The strongest signals come from emotional weight, thematic difficulty — these are the dimensions parents should evaluate against their reader's tolerance.

No specific content flags were raised by community reviewers, which is consistent with the moderate intensity score.

Thematically, Invisible Things explores friendship, coming of age, family, romance, and adventure — these threads give the book room to mean different things to different readers. Each of these themes is concrete enough to seed a real conversation, not just a moral lesson.

Good fit for

  • Children in the Ages 13+ range — the maturity and attention span match the story's pacing.
  • Patient readers who enjoy slower, character-driven stories.
  • Readers ready to talk through themes after they finish — there's enough substance for a meaningful conversation.
  • Kids drawn to stories about friendship, coming of age, family.

Maybe not for

  • ! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
  • ! Reluctant readers who need a fast hook — the pacing here rewards patience.

For Parents

Content Intensity

11ME — Moderate — Emotional
Emotional
Moderate
Physical
Light
Social
Light
Thematic
Moderate

Real stakes and emotional weight. May include sustained danger, loss, or bullying.

Data confidence: standard

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

Reading Insights

Hook Factor

2/10

A steady, thoughtful read that rewards patient readers.

Discussion Potential

5/10

Good conversation starter with themes worth exploring together.

Book DNA

Multi-dimensional content fingerprint

Vocabulary Level
5
Emotional Weight
6
Theme Richness
7
World Scope
1
Data Confidence
7

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Details

Book Length

272 pages
ISBN
9780061239786
Pages
272
Publisher
HarperTeen
Published
2010
Type
Fiction

Genres

Subjects

Young Adult FictionHistoricalUnited States20th CenturyFantasyFamilyMultigenerationalFamiliesOrphansScientistsAtomic Bomb