What reading level is The door in the dragon's throat?

The door in the dragon's throat by Frank E. Peretti is at a Level 5-6 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is The door in the dragon's throat appropriate for?

The door in the dragon's throat is recommended for Ages 9-12. HootRating: 10LP (Light — Physical). Content flags: Mild Peril.

What genre is The door in the dragon's throat?

The door in the dragon's throat is fiction — Juvenile Fiction. Part of the Cooper Kids Adventure series.

Does The door in the dragon's throat have any content warnings?

The door in the dragon's throat has a HootRating of 10LP (Light — Physical). Content flags include: Mild Peril. On HootRated, every book is rated across four dimensions — emotional, physical, social, and thematic — to help parents make informed choices.

How many pages is The door in the dragon's throat?

The door in the dragon's throat by Frank E. Peretti is 125 pages (approximately 27,091 words).

Reviewed by HootRated editorial · Last updated May 18, 2026

The door in the dragon's throat

Frank E. Peretti

The door in the dragon's throat

Age Rating, Reading Level & Content Guide

by Frank E. Peretti

Cooper Kids Adventure

Reading Level 5-6 10LP Ages 9-12 Balanced Read

The text is written at a 5th 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

Jay and Lila join their archaeologist dad on an exciting journey to the mysterious land of Nepur, where they search for the secrets hidden behind the legendary Door in the Dragon's Throat. As they explore ancient ruins and unravel clues, they face thrilling challenges that test their courage and faith. Adventure and discovery await around every corner in this captivating tale.

Themes

AdventureBuried TreasureChristian LifeMiddle East

Quick Assessment

This is a Level 5-6 book with mild content intensity. Content themes include mild peril. Written for readers ages 9-12.

Why we rated The door in the dragon's throat 10LP

The door in the dragon's throat is written at a Level 5-6 reading level across 125 pages (approximately 27,091 words). Strong independent readers around grade 6.9 can typically handle this book on their own; with parent or teacher support, The door in the dragon's throat works for readers up to grade 7.9.

Read aloud, The door in the dragon's throat runs about 3 hours — long enough to span several bedtime sessions.

We rate The door in the dragon's throat as 10LP ("Light — Physical") 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.

Specific content flags noted by reviewers: Mild Peril.

Thematically, The door in the dragon's throat explores adventure, buried treasure, christian life, and middle east — 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.
✓ Readers who like a steady plot with enough momentum to keep pages turning.
✓ Kids drawn to stories about adventure, buried treasure, christian life.
✓ Readers who fall hard for one book and want a long series to live in — there are 6 more books in the Cooper Kids Adventure series.