What reading level is Becoming darkness?

Becoming darkness by Lindsay Brambles is at a Level 5-6 reading level (Lexile 820L). Recommended for Middle Grades readers (Ages 9-12).

What age is Becoming darkness appropriate for?

Becoming darkness is recommended for Ages 9-12. HootRating: 10ME (Moderate — Emotional). Content flags: Murder, Supernatural Violence.

What genre is Becoming darkness?

Becoming darkness is fiction — Juvenile Fiction.

Does Becoming darkness have any content warnings?

Becoming darkness has a HootRating of 10ME (Moderate — Emotional). Content flags include: Murder, Supernatural Violence. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Becoming darkness?

Becoming darkness by Lindsay Brambles is 485 pages.

Reviewed by HootRated editorial · Last updated September 7, 2026

Becoming darkness

Lindsay Brambles

Becoming darkness

Age Rating, Reading Level & Content Guide

by Lindsay Brambles

Reading Level 5-6 10ME Ages 9-12 Matched

The text is written at a 5th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content has moderate intensity with some emotionally heavy themes.

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About This Book

Here's a secret: the world you know is gone, swallowed by shadows and vampires. Sophie Harkness isn't like the others—she's immune to the darkness that took over, but when her best friend is suddenly gone, everything changes. What she uncovers about Haven will shake everything she thought was safe, but that's only the beginning.

Themes

VampiresSecretsMystery Survival Friendship

Quick Assessment

Set in a post-World War Two world devastated by a virus that turned most humans into vampires, this middle-grade novel follows 17-year-old Sophie, who is immune due to a genetic mutation. When her best friend is murdered and her own life is threatened, Sophie investigates dangerous secrets within Haven, the last sanctuary of immunes. Recommended for readers aged 9-12, the book contains themes of murder and supernatural elements that may require parental guidance.

Why we rated Becoming darkness 10ME

Becoming darkness is written at a Level 5-6 reading level with a Lexile measure of 820L across 485 pages. Strong independent readers around grade 6.5 can typically handle this book on their own; with parent or teacher support, Becoming darkness works for readers up to grade 7.5.

We rate Becoming darkness as 10ME ("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, physical peril — these are the dimensions parents should evaluate against their reader's tolerance.

Specific content flags noted by reviewers: Murder, Supernatural Violence.

Thematically, Becoming darkness explores vampires, secrets, mystery, survival, 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.
✓ Patient readers who enjoy slower, character-driven stories.
✓ Kids drawn to stories about vampires, secrets, mystery.

Maybe not for

! Readers who get easily upset by emotional or moderately dark scenes — the conflict here is real, not just background flavor.
! Children who are sensitive to violence, even when handled at age-appropriate levels.
! Reluctant readers who need a fast hook — the pacing here rewards patience.