Treehouse Books Books in Order
Treehouse Books is a 12-book series by Andy Griffiths for ages 9–12, at a grades 3–4 reading level, with gentle content (HootRated intensity 1/5).
- Books
- 12
- By publication date
- Content intensity
- Gentle
- HootRated 1/5
Treehouse Books Reading Order
Series numbers aren't available for most Treehouse Books books, so they're listed by publication date (oldest first).
| # | Title | Reading Level | Ages | Content |
|---|---|---|---|---|
| 1 | The 13story Treehouse Monkey Mayhem! 2013 | Level 3-4 | 9-12 | Gentle |
| 2 | The 26-story treehouse 2014 | Level 4-5 | 9-12 | Gentle |
| 3 | The 39-Story Treehouse 2015 | Level 3-4 | 9-12 | Gentle |
| 4 | The 52-story treehouse Vegetable Villains! 2016 | Level 3-4 | 9-12 | Gentle |
| 5 | The 78-story treehouse Moo-vie Madness! 2018 | Level 3-4 | 9-12 | Gentle |
| 6 | The 91-story treehouse Babysitting blunders! 2018 | Level 3-4 | 9-12 | Gentle |
| 7 | 104-Story Treehouse Dental Dramas & Jokes Galore! 2019 | Level 3-4 | 9-12 | Gentle |
| 8 | The 117-story treehouse Dots, Plots & Daring Escapes! 2019 | Level 3-4 | 9-12 | Gentle |
| 9 | 130-Story Treehouse Laser Eyes and Annoying Flies 2020 | Level 3-4 | 9-12 | Gentle |
| 10 | The 143-Story Treehouse 2022 | Level 3-4 | 9-12 | Gentle |
| 11 | The 156-Story Treehouse Holiday Havoc! 2023 | Level 3-4 | 9-12 | Gentle |
| 12 | 169-story treehouse: Doppelganger doom! 2024 | Level 3-4 | 9-12 | Gentle |
Content Intensity Across the Series
ConsistentContent stays at a steady intensity level throughout the series.
Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. Treehouse Books (12 books by Andy Griffiths) lands at a grades 3–4 reading level, with average content intensity 1/5. Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.
The reading-order table above lists every book with per-volume reading level, age and intensity ratings so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.
All Treehouse Books Books
The 13story Treehouse
Andy Griffiths
The 13story Treehouse
Andy Griffiths
The 26-story treehouse
Andy Griffiths
The 26-story treehouse
Andy Griffiths
The 39-Story Treehouse
Andy Griffiths
The 39-Story Treehouse
Andy Griffiths
The 52-story treehouse
Andy Griffiths
The 52-story treehouse
Andy Griffiths
The 78-story treehouse
Andy Griffiths
The 78-story treehouse
Andy Griffiths
The 91-story treehouse
Andy Griffiths
The 91-story treehouse
Andy Griffiths
104-Story Treehouse
Andy Griffiths
104-Story Treehouse
Andy Griffiths
The 117-story treehouse
Andy Griffiths
The 117-story treehouse
Andy Griffiths
130-Story Treehouse
Andy Griffiths
130-Story Treehouse
Andy Griffiths
The 143-Story Treehouse
Andy Griffiths
The 143-Story Treehouse
Andy Griffiths
The 156-Story Treehouse
Andy Griffiths
The 156-Story Treehouse
Andy Griffiths
169-story treehouse: Doppelganger doom!
Andy Griffiths
169-story treehouse: Doppelganger doom!
Andy Griffiths
Series Like Treehouse Books: What to Read Next
Similar reading level, content intensity and themes.
- Just! by Andy Griffiths 5 books · Grades 3–4 · gentle content
- Children's Favorite Stories by M. J. York 3 books · Grades 2–4 · gentle content
- My Little Pony Picture Books; My Little Pony; My Little Pony: Friendship Is Magic by Olivia London 3 books · Grades 3–4 · gentle content
- My Little Pony: Equestria Girls by Perdita Finn 8 books · Grades 4–5 · gentle content
- Little Tiger and Friends by Tim Warnes, Julie Sykes 4 books · Grades 2–3 · gentle content
- Dr. Seuss by Dr. Seuss 3 books · Grades 2–4 · gentle to mild content
Enjoy This Series in Other Languages
1 edition available in other languages.
es Spanish (1)
La casa en el árbol de 13 pisos
Andy Griffiths
La casa en el árbol de 13 pisos
Andy Griffiths
Questions about the Treehouse Books series
- What reading level is the Treehouse Books series?
- Treehouse Books books are at a grades 3–4 reading level (average grade level 3.6), and HootRated recommends the series for ages 9–12. There are 12 books in the series.
- What order should I read the Treehouse Books books?
- Series numbers aren't available for most Treehouse Books books, so HootRated lists them by publication date: The 13story Treehouse (2013); The 26-story treehouse (2014); The 39-Story Treehouse (2015); The 52-story treehouse (2016); The 78-story treehouse (2018); and 7 more.
- What age is the Treehouse Books series appropriate for?
- HootRated recommends Treehouse Books for ages 9–12. Content is gentle (HootRated intensity 1/5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.