What reading level is When the sea is rising red?

When the sea is rising red by Cat Hellisen is at a Level 5-6 reading level (Lexile 810L). Recommended for Upper Grades readers (Ages 13+).

What age is When the sea is rising red appropriate for?

When the sea is rising red is recommended for Ages 13+. HootRating: 10IP (Intense — Physical). Content flags: Profanity, Sexual Content, Violence, Social Conflict.

What genre is When the sea is rising red?

When the sea is rising red is fiction.

Does When the sea is rising red have any content warnings?

When the sea is rising red has a HootRating of 10IP (Intense — Physical). Content flags include: Profanity, Sexual Content, Violence, Social Conflict. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is When the sea is rising red?

When the sea is rising red by Cat Hellisen is 296 pages (approximately 75,540 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

When the sea is rising red

Cat Hellisen

When the sea is rising red

Age Rating, Reading Level & Content Guide

by Cat Hellisen

Reading Level 5-6 10IP Ages 13+ Heads Up

The text is written at a 5th grade reading level, the subject matter is intended for teens (ages 13+), and the content is intense and may include graphic or distressing scenes.

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About This Book

Felicita escapes her privileged life by staging her own death, only to find herself struggling to survive in the harsh slums. As she navigates this dangerous new world, she uncovers a shocking secret about the boy she loves and his plan against her family. Dark magic, betrayal, and forbidden love intertwine in this gripping tale of survival and trust.

Themes

FantasySocial ClassesMagicVampiresRomance Adventure

Quick Assessment

This is a Level 5-6 book with intense content intensity. Content themes include profanity, sexual content, violence. Written for readers ages 13+.

Why we rated When the sea is rising red 10IP

When the sea is rising red is written at a Level 5-6 reading level with a Lexile measure of 810L across 296 pages (approximately 75,540 words). Strong independent readers around grade 6.2 can typically handle this book on their own; with parent or teacher support, When the sea is rising red works for readers up to grade 7.2.

Read aloud, When the sea is rising red runs about 8.4 hours — long enough to span several bedtime sessions.

We rate When the sea is rising red as 10IP ("Intense — Physical") because the content sits in the "Intense" range — intense conflict including peril, frightening scenes, or emotionally heavy themes. The strongest signals come from physical peril — these are the dimensions parents should evaluate against their reader's tolerance.

Specific content flags noted by reviewers: Profanity, Sexual Content, Violence, Social Conflict.

Thematically, When the sea is rising red explores fantasy, social classes, magic, vampires, and romance — these threads give the book room to mean different things to different readers.

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.
✓ Kids drawn to stories about fantasy, social classes, magic.

Maybe not for

! Sensitive readers who get overwhelmed by intense conflict or scary scenes.
! Children younger than 13+ — the content intensity is above what most younger kids can process comfortably.
! 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.