The 13-Story Treehouse Other Books in This Series
The 26-Story Treehouse
2014
The 39-Story Treehouse
2015
The 52-Story Treehouse
2016
The 65-Story Treehouse
2017
The 78-Story Treehouse
2018
The 91-Story Treehouse
2018
The 104-Story Treehouse
2019
The 117-Story Treehouse
2019
The 130-Story Treehouse
2021
The 143-Story Treehouse
2022
The 156-Story Treehouse
2023
The 169-Story Treehouse
2024
The Treehouse Joke Book
2020
Tales from the Treehouse
2022