The 117-Storey Treehouse
Macmillan Children's Books 2019
Easy read — content targets 4th–8th grade
Reading level 3.5 (3rd grade) but themes aimed at ages 9–14
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Genre
Themes
- friendship
- imagination and creativity
- teamwork
- problem-solving
- perseverance
- humor and silliness
- metafiction/writing a book
About this book
Andy and Terry’s ever-expanding treehouse just added thirteen more wild levels—and they’re packed with outrageous inventions, silly surprises, and nonstop gags. Told in quick, punchy chapters with tons of cartoon-style illustrations, this is a fast, funny read that hooks even reluctant readers. Fans will love the imaginative problems the duo must solve as they race to finish their next book. Perfect for kids who enjoy absurd humor, visual storytelling, and over-the-top adventures.
Setting: an ever-growing, fantastical multi-level treehouse
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Frequently Asked Questions
Is The 117-Storey Treehouse right for my child?
It depends — here's what to consider for The 117-Storey Treehouse. The reading level is AR 3.5, which is typical for 3rd grade. The interest level is rated Middle Grades (4–8), meaning the themes and content are designed for ages 9–14 (4th–8th grade). Themes include friendship, imagination and creativity, teamwork.
How long does it take to read The 117-Storey Treehouse?
At a typical 3rd grade reading pace, The 117-Storey Treehouse takes around 2.4h to finish. The book has 19,000 words. Slower or faster readers may vary significantly.
Does The 117-Storey Treehouse have an AR quiz?
Yes — The 117-Storey Treehouse has an AR quiz available, worth 2 points. Your child will need to take and pass the quiz through their school's Accelerated Reader program to earn credit. The quiz is typically 5–20 multiple choice questions about plot, characters, and setting.
What grade level is The 117-Storey Treehouse?
The 117-Storey Treehouse has an AR reading level of 3.5, which places it at a 3rd grade reading difficulty. The interest level is rated Middle Grades (4–8) — this reflects the age-appropriateness of the content and themes, not just the reading difficulty. A strong younger reader may handle the words fine while the themes are aimed at an older audience, or vice versa.