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, The Season of Styx Malone, The BFG, James and the Giant Peach, and Fish in a Tree. 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, The Season of Styx Malone, or The BFG — the closest matches in our database, matched on shared themes, shared award lists, and reading level.

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 →
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 →
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 →
Fish in a Tree550L: Shares themes of friendship, same genre (Middle Grade Fiction), and a close reading level (550L vs 560L). Amazon → books like this →
Ivy and Bean580L: Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (580L vs 560L). Amazon → books like this →
Geronimo Stilton: Lost Treasure of the Emerald Eye530L: Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (530L vs 560L). Amazon → books like this →
Corduroy600L: Shares themes of imagination and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (600L vs 560L). 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 →
Big Nate: In a Class by Himself500L: Shares themes of humor and friendship and a close reading level (500L vs 560L). 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.

Mercy Watson to the Rescue by Kate DiCamillo · 450L — Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (450L vs 560L).
If You Give a Mouse a Cookie by Laura Numeroff · 410L — Shares themes of humor and imagination, both on the Common Core State Standards (ELA) list, and a close reading level (410L vs 560L).
Dog Man by Dav Pilkey · 390L — Shares themes of humor and friendship and a close reading level (390L vs 560L).
The Mouse and the Motorcycle by Beverly Cleary · 860L — Shares themes of friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction).
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.

Hello, Universe by Erin Entrada Kelly · 690L — Shares themes of friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction).
Out of My Mind by Sharon M. Draper · 700L — Shares themes of friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction).
Smile by Raina Telgemeier · 410L — Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (410L vs 560L).
Frindle by Andrew Clements · 830L — Shares themes of imagination and creativity, same genre (Middle Grade Fiction), and overlapping grades (3–7).
Diary of a Wimpy Kid by Jeff Kinney · 950L — Shares themes of humor and friendship, same genre (Middle Grade Fiction), and overlapping grades (3–7).

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

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

Hello, Universe by Erin Entrada Kelly · 690L — Shares themes of friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction).
Out of My Mind by Sharon M. Draper · 700L — Shares themes of friendship, both on the Common Core State Standards (ELA) list, and same genre (Middle Grade Fiction).
Smile by Raina Telgemeier · 410L — Shares themes of humor and friendship, both on the Common Core State Standards (ELA) list, and a close reading level (410L vs 560L).
Frindle by Andrew Clements · 830L — Shares themes of imagination and creativity, same genre (Middle Grade Fiction), and overlapping grades (3–7).
Diary of a Wimpy Kid by Jeff Kinney · 950L — Shares themes of humor and friendship, same genre (Middle Grade Fiction), and overlapping grades (3–7).

Books like The 13-Story Treehouse for high school & teens (grades 9–12)

Closest matches whose grade range overlaps 9–12— same scoring, different audience.

Of Mice and Men by John Steinbeck · 630L — Shares themes of friendship, both on the Common Core State Standards (ELA) list, and a close reading level (630L vs 560L).
The Hate U Give by Angie Thomas · 590L — Both on the Common Core State Standards (ELA) list, a close reading level (590L vs 560L), and the same era (2010s).
The Book Thief by Markus Zusak · 730L — Shares themes of friendship, both on the Common Core State Standards (ELA) list, and a close reading level (730L vs 560L).
The Outsiders by S.E. Hinton · 750L — Shares themes of friendship, both on the Common Core State Standards (ELA) list, and a close reading level (750L vs 560L).
The Kite Runner by Khaled Hosseini · 840L — Shares themes of friendship and both on the Common Core State Standards (ELA) list.

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, The Season of Styx Malone, The BFG, James and the Giant Peach, and Fish in a Tree. 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 2026-08-11. Matches are computed from each book’s cited attributes — see the methodology.

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