What reading level is 39-Story Treehouse?

39-Story Treehouse by Andy Griffiths is at a Level 7 reading level. Recommended for Middle Grades readers (Ages 9-12).

What age is 39-Story Treehouse appropriate for?

39-Story Treehouse is recommended for Ages 9-12. HootRating: 12C (Clear).

What genre is 39-Story Treehouse?

39-Story Treehouse is fiction — Juvenile Fiction.

Does 39-Story Treehouse have any content warnings?

39-Story Treehouse has a HootRating of 12C (Clear). 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 39-Story Treehouse?

39-Story Treehouse by Andy Griffiths is 353 pages.

39-Story Treehouse

Andy Griffiths

39-Story Treehouse

Age Rating, Reading Level & Content Guide

Mean Machines & Mad Professors!

by Andy Griffiths

Reading Level 7 12C Ages 9-12 Sweet Spot

The text is written at a 7th grade reading level, the subject matter is intended for middle graders (ages 9–12), and the content is gentle with no concerning themes.

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About This Book

What if your treehouse kept growing taller and taller, all the way up to 39 stories? Imagine bouncing on the world's highest trampoline, roasting marshmallows inside a volcano, or swimming in a chocolate waterfall! But when a new invention promises to write their whole book, Andy and Terry's adventure takes an unexpected twist—what could possibly go wrong?

Themes

AdventureImaginationFriendship Humor

Quick Assessment

This middle-grade fiction book follows Andy and Terry as they expand their fantastical 39-story treehouse filled with imaginative and whimsical adventures. Suitable for ages 9-12, it encourages creativity and humor while featuring themes of friendship and storytelling. The story includes light fantasy elements and playful scenarios without any intense content, making it appropriate for its target audience.