Books like The 13-Story Treehouse

Looking for books like The 13-Story Treehouse by Andy Griffiths (Middle Grade Fiction · 560L · grades 2–5)? It’s most often read for its themes of humor, imagination, and friendship. The 10 titlesbelow are the closest matches in the ReadingList database — each scored on shared themes, genre, and reading level, and each linked to the curricula, states, and grades where it’s assigned, with primary sources.

These are reading-level matches, not just topical ones — so the picks stay grade-appropriate for a grades 2–5 reader. See how we judge text difficulty on our methodology page.

10 books similar to The 13-Story Treehouse

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Why each is a match

The Adventures of Captain Underpants720L
Shares themes of humor, imagination, and friendship, same genre (Middle Grade Fiction), and a close reading level (720L vs 560L).
Fish in a Tree550L
Shares themes of friendship, same genre (Middle Grade Fiction), and a close reading level (550L vs 560L).
The Season of Styx Malone510L
Shares themes of friendship, same genre (Middle Grade Fiction), and a close reading level (510L vs 560L).
Big Nate: In a Class by Himself500L
Shares themes of humor and friendship and a close reading level (500L vs 560L).
The BFG720L
Shares themes of imagination and friendship, same genre (Middle Grade Fiction), and a close reading level (720L vs 560L).
Frindle830L
Shares themes of imagination and creativity, same genre (Middle Grade Fiction), and overlapping grades (3–7).
James and the Giant Peach870L
Shares themes of imagination and friendship, same genre (Middle Grade Fiction), and overlapping grades (3–6).
Diary of a Wimpy Kid950L
Shares themes of humor and friendship, same genre (Middle Grade Fiction), and overlapping grades (3–7).
J vs. Kgrades 3–5
Shares themes of humor and friendship, same genre (Middle Grade Fiction), and overlapping grades (3–5).
The Superteacher Projectgrades 3–6
Shares themes of humor and friendship, same genre (Middle Grade Fiction), and overlapping grades (3–6).

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