What reading level is Thicker Than Water?

Thicker Than Water by Bruce Hale is at a Level 4-5 reading level (Lexile 700L). Recommended for Middle Grades readers (Ages 9-12).

What age is Thicker Than Water appropriate for?

Thicker Than Water is recommended for Ages 9-12. HootRating: 9ME (Moderate — Emotional).

What genre is Thicker Than Water?

Thicker Than Water is fiction — Juvenile Fiction.

Does Thicker Than Water have any content warnings?

Thicker Than Water has a HootRating of 9ME (Moderate — Emotional). No specific content flags noted. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is Thicker Than Water?

Thicker Than Water by Bruce Hale is 352 pages.

Reviewed by HootRated editorial · Last updated September 7, 2026

Thicker Than Water

Bruce Hale

Thicker Than Water

Age Rating, Reading Level & Content Guide

by Bruce Hale

Reading Level 4-5 9ME Ages 9-12 Matched

The text is written at a 4th 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

What if your dad turned out to be a secret spy running from a dangerous organization? Max Segredo just found out his father is alive—and caught in a wild chase against LOTUS, an evil group out to shut down his school for spies. Now Max and his friends have only three days to steal a mind control device before LOTUS gets it first—can they save their home and stop a global takeover?

Themes

Adventure Friendship Family Identity & Self-DiscoverySpiesOrphansMulticultural

Quick Assessment

Thicker Than Water is an action-packed middle-grade spy adventure featuring Max Segredo, a young trainee spy who discovers his father is alive but entangled with a dangerous organization called LOTUS. The story explores themes of identity, loyalty, and courage as Max and his friends race against time to save their orphanage and stop a sinister plot. Suitable for ages 9-12, the book includes mild peril and suspense typical of the spy genre but is appropriate for middle-grade readers.

Why we rated Thicker Than Water 9ME

Thicker Than Water is written at a Level 4-5 reading level with a Lexile measure of 700L across 352 pages. Strong independent readers around grade 5.5 can typically handle this book on their own; with parent or teacher support, Thicker Than Water works for readers up to grade 6.5.

We rate Thicker Than Water as 9ME ("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.

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

Thematically, Thicker Than Water explores adventure, friendship, family, identity & self-discovery, and spies — 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.
✓ Readers ready to talk through themes after they finish — there's enough substance for a meaningful conversation.
✓ Kids drawn to stories about adventure, friendship, 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.