What books are similar to The 13-Story Treehouse?

The 10 closest matches to The 13-Story Treehouse by Andy Griffiths on ReadingList include The Adventures of Captain Underpants, Frindle, The BFG, James and the Giant Peach, and Mr. Popper's Penguins. Each is scored on shared themes (humor, imagination, and friendship), shared award lists, genre, and reading level (grades 2–5), and links to the curricula, states, and grades where it is assigned in US schools, with primary sources.

Are books like The 13-Story Treehouse reading-level appropriate?

Yes — every match is a reading-level match, not just a topical one, scored on Lexile and grade band (grades 2–5), so the picks stay grade-appropriate. See how ReadingList judges text difficulty on the /standard methodology page.

How does ReadingList choose similar books?

Matches are ranked by shared themes, shared award and reading-program lists (two books picked for the same state award were chosen by the same committees for the same readers), same genre, comparable Lexile and grade band, and publication decade — computed from cited public curriculum data, not editorial opinion or AI-generated summaries.

Books like The 13-Story Treehouse

If you liked The 13-Story Treehouse, read The Adventures of Captain Underpants, Frindle, or The BFG — the closest matches in our database, matched on shared themes, shared award lists, and reading level.

Closest match: The Adventures of Captain Underpants by Dav Pilkey — shares humor and imagination

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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 titles below are the closest matches in the ReadingList database — each scored on shared themes, shared award lists, 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.

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Why each is a match

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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). Amazon → books like this →
Frindle830L: Shares themes of imagination and creativity, same genre (Middle Grade Fiction), and overlapping grades (3–7). Amazon → books like this →
The BFG720L: Shares themes of imagination and friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction). Amazon → books like this →
James and the Giant Peach870L: Shares themes of imagination and friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction). Amazon → books like this →
Mr. Popper's Penguins910L: Shares themes of imagination, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction). Amazon → books like this →
Because of Winn-Dixie610L: Shares themes of friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction). Amazon → books like this →
Wishtree590L: Same genre (Middle Grade Fiction), a close reading level (590L vs 560L), and the same era (2010s). Amazon → books like this →
The Season of Styx Malone510L: Shares themes of friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction). Amazon → books like this →
J vs. Kgrades 3–5: Shares themes of humor and friendship, same genre (Middle Grade Fiction), and overlapping grades (3–5). Amazon → books like this →
The Superteacher Projectgrades 3–6: Shares themes of humor and friendship, same genre (Middle Grade Fiction), and overlapping grades (3–6). Amazon → books like this →

Books like The 13-Story Treehouse for younger readers (K–2)

Closest matches whose grade range overlaps K–2— same scoring, different audience.

Ivy and Bean by Annie Barrows · 580L — Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (580L vs 560L).
Geronimo Stilton: Lost Treasure of the Emerald Eye by Geronimo Stilton · 530L — Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (530L vs 560L).
Dinosaurs Before Dark (Magic Tree House #1) by Mary Pope Osborne · 510L — Shares themes of imagination, both on the Common Core State Standards (ELA) list, and a close reading level (510L vs 560L).
Tales of a Fourth Grade Nothing by Judy Blume · 470L — Both on the Common Core State Standards (ELA) list, same genre (Middle Grade Fiction), and a close reading level (470L vs 560L).
Flat Stanley by Jeff Brown · 540L — Shares themes of creativity, both on the Common Core State Standards (ELA) list, and a close reading level (540L vs 560L).

Books like The 13-Story Treehouse for elementary readers (grades 3–5)

Closest matches whose grade range overlaps 3–5— same scoring, different audience.

Charlie and the Chocolate Factory by Roald Dahl · 810L — Shares themes of imagination, same genre (Middle Grade Fiction), and a close reading level (810L vs 560L).
Wayside School Is Falling Down by Louis Sachar · grades 3–5 — Shares themes of humor, imagination, and friendship and overlapping grades (3–5).
Stone Fox by John Reynolds Gardiner · 550L — Both on the Common Core State Standards (ELA) list, same genre (Middle Grade Fiction), and a close reading level (550L vs 560L).
Ivy and Bean by Annie Barrows · 580L — Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (580L vs 560L).
Geronimo Stilton: Lost Treasure of the Emerald Eye by Geronimo Stilton · 530L — Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (530L vs 560L).

Books like The 13-Story Treehouse for middle school (grades 6–8)

Closest matches whose grade range overlaps 6–8— same scoring, different audience.

Confessions of a Class Clown by Arianne Costner · grades 6–8 — Shares themes of humor and friendship and same genre (Middle Grade Fiction).
Simon Sort of Says by Erin Bow · grades 6–8 — Shares themes of humor and friendship and same genre (Middle Grade Fiction).
Charlie and the Chocolate Factory by Roald Dahl · 810L — Shares themes of imagination, same genre (Middle Grade Fiction), and a close reading level (810L vs 560L).
Blended by Sharon M. Draper · 610L — Both on the Common Core State Standards (ELA) list, same genre (Middle Grade Fiction), and a close reading level (610L vs 560L).
Oliver's Great Big Universe by Jorge Cham · grades 3–6 — Shares themes of humor, same genre (Middle Grade Fiction), and overlapping grades (3–6).

Common questions

What books are similar to The 13-Story Treehouse?: The 10 closest matches to The 13-Story Treehouse by Andy Griffiths on ReadingList include The Adventures of Captain Underpants, Frindle, The BFG, James and the Giant Peach, and Mr. Popper's Penguins. Each is scored on shared themes (humor, imagination, and friendship), shared award lists, genre, and reading level (grades 2–5), and links to the curricula, states, and grades where it is assigned in US schools, with primary sources.
Are books like The 13-Story Treehouse reading-level appropriate?: Yes — every match is a reading-level match, not just a topical one, scored on Lexile and grade band (grades 2–5), so the picks stay grade-appropriate. See how ReadingList judges text difficulty on the /standard methodology page.
How does ReadingList choose similar books?: Matches are ranked by shared themes, shared award and reading-program lists (two books picked for the same state award were chosen by the same committees for the same readers), same genre, comparable Lexile and grade band, and publication decade — computed from cited public curriculum data, not editorial opinion or AI-generated summaries.

Book data last updated 2026-09-05. Matches are computed from each book’s cited attributes — see the methodology.

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