What books are similar to Impossible Creatures?

The 10 closest matches to Impossible Creatures by Katherine Rundell on ReadingList include The Guardian Test (Legends of Lotus Island #1), A Game of Noctis, Amir and the Jinn Princess, Fablehaven, and Harry Potter and the Sorcerer's Stone. Each is scored on shared themes (fantasy, courage, and friendship), shared award lists, genre, and reading level (grades 4–8), and links to the curricula, states, and grades where it is assigned in US schools, with primary sources.

Are books like Impossible Creatures reading-level appropriate?

Yes — every match is a reading-level match, not just a topical one, scored on Lexile and grade band (grades 4–8), 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 Impossible Creatures

If you liked Impossible Creatures, read The Guardian Test (Legends of Lotus Island #1), A Game of Noctis, or Amir and the Jinn Princess — the closest matches in our database, matched on shared themes, shared award lists, and reading level.

Looking for books like Impossible Creatures by Katherine Rundell (Middle Grade Fantasy · grades 4–8)? It’s most often read for its themes of fantasy, courage, 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 4–8 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 Guardian Test (Legends of Lotus Island #1)grades 2–5: Shares themes of fantasy, courage, and friendship, same genre (Middle Grade Fantasy), and overlapping grades (2–5). Amazon →
A Game of Noctisgrades 3–6: Shares themes of fantasy and adventure, both on the Maine Student Book Award list, and same genre (Middle Grade Fantasy). Amazon →
Amir and the Jinn Princessgrades 4–8: Shares themes of fantasy and courage, both on the Maine Student Book Award list, and same genre (Middle Grade Fantasy). Amazon →
Fablehavengrades 4–7: Shares themes of courage, friendship, and adventure, same genre (Middle Grade Fantasy), and overlapping grades (4–7). Amazon →
Harry Potter and the Sorcerer's Stone880L: Shares themes of courage and friendship, both on the Great Stone Face Book Award list, and same genre (Middle Grade Fantasy). Amazon →
Number the Stars670L: Shares themes of courage and friendship, both on the Great Stone Face Book Award list (+1 more shared list), and overlapping grades (4–7). Amazon →
Skyridersgrades 6–8: Shares themes of courage and friendship, same genre (Middle Grade Fantasy), and overlapping grades (6–8). Amazon →
The Skull: A Tyrolean Folktalegrades 3–5: Shares themes of courage and friendship, same genre (Middle Grade Fantasy), and overlapping grades (3–5). Amazon →
Witchlingsgrades 2–5: Shares themes of courage and friendship, same genre (Middle Grade Fantasy), and overlapping grades (2–5). Amazon →
Heroesgrades 6–8: Shares themes of courage and friendship, both on the Great Stone Face Book Award list, and overlapping grades (6–8). Amazon →

Books like Impossible Creatures for younger readers (K–2)

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

The Mouse and the Motorcycle by Beverly Cleary · 860L — Shares themes of friendship and adventure, both on the Great Stone Face Book Award list, and overlapping grades (2–4).
Just Like Millie by Lauren Castillo · grades K–3 — Shares themes of courage and friendship.
Knight Owl by Christopher Denise · grades K–3 — Shares themes of courage and friendship.
Knight Owl and Early Bird by Christopher Denise · grades K–3 — Shares themes of courage and friendship.
The First Cat in Space Ate Pizza by Mac Barnett · grades 2–5 — Shares themes of friendship and adventure and overlapping grades (2–5).

Books like Impossible Creatures for elementary readers (grades 3–5)

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

Swim Team by Johnnie Christmas · grades 3–7 — Shares themes of courage and friendship, both on the Great Stone Face Book Award list, and overlapping grades (3–7).
The False Prince by Jennifer A. Nielsen · grades 5–9 — Shares themes of courage and adventure, same genre (Middle Grade Fantasy), and overlapping grades (5–9).
The Last Dragon on Mars by Scott Reintgen · grades 4–8 — Shares themes of friendship and adventure, both on the Maine Student Book Award list, and overlapping grades (4–8).
The Last Musketeer by Stuart Gibbs · grades 4–7 — Shares themes of courage, friendship, and adventure and overlapping grades (4–7).
The Night Train by Lorelei Savaryn · grades 4–8 — Shares themes of courage, both on the Maine Student Book Award list, and same genre (Middle Grade Fantasy).

Books like Impossible Creatures for middle school (grades 6–8)

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

Simon Sort of Says by Erin Bow · grades 6–8 — Shares themes of courage and friendship, both on the Great Stone Face Book Award list, and overlapping grades (6–8).
Swim Team by Johnnie Christmas · grades 3–7 — Shares themes of courage and friendship, both on the Great Stone Face Book Award list, and overlapping grades (3–7).
The False Prince by Jennifer A. Nielsen · grades 5–9 — Shares themes of courage and adventure, same genre (Middle Grade Fantasy), and overlapping grades (5–9).
The Last Dragon on Mars by Scott Reintgen · grades 4–8 — Shares themes of friendship and adventure, both on the Maine Student Book Award list, and overlapping grades (4–8).
The Last Musketeer by Stuart Gibbs · grades 4–7 — Shares themes of courage, friendship, and adventure and overlapping grades (4–7).

Books like Impossible Creatures for high school & teens (grades 9–12)

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

The False Prince by Jennifer A. Nielsen · grades 5–9 — Shares themes of courage and adventure, same genre (Middle Grade Fantasy), and overlapping grades (5–9).
Michael Vey: The Prisoner of Cell 25 by Richard Paul Evans · grades 6–9 — Shares themes of courage and friendship and overlapping grades (6–9).
The Book Thief by Markus Zusak · 730L — Shares themes of courage and friendship and overlapping grades (8–11).
Allies by Alan Gratz · grades 5–9 — Shares themes of courage, both on the Great Stone Face Book Award list, and overlapping grades (5–9).
Divine Rivals by Rebecca Ross · grades 9–12 — Shares themes of courage.

Book data last updated 2026-07-07. Matches are computed from each book’s cited attributes — see the methodology.

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