What books are similar to Interstellar Pig?

The 10 closest matches to Interstellar Pig by William Sleator on ReadingList include Rewind, The Boxes, Scythe, Steelheart, and The Glass Castle. Each is scored on shared themes (science fiction, human-alien encounters, and games), shared award lists, genre, and reading level (grades 9–12), and links to the curricula, states, and grades where it is assigned in US schools, with primary sources.

Are books like Interstellar Pig reading-level appropriate?

Yes — every match is a reading-level match, not just a topical one, scored on Lexile and grade band (grades 9–12), 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 Interstellar Pig

If you liked Interstellar Pig, read Rewind, The Boxes, or Scythe — the closest matches in our database, matched on shared award lists and reading level.

Closest match: Rewind by William Sleator

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Looking for books like Interstellar Pig by William Sleator (Science Fiction · grades 9–12)? It’s most often read for its themes of science fiction, human-alien encounters, and games. 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 9–12 reader. See how we judge text difficulty on our methodology page.

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Why each is a match

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Rewindgrades 9–12: Is by William Sleator, the same author and overlapping grades (9–12). Amazon → books like this →
The Boxesgrades 9–12: Is by William Sleator, the same author and overlapping grades (9–12). Amazon → books like this →
Scythegrades 7–12: Both on the California Young Reader Medal list, same genre (Science Fiction), and overlapping grades (7–12). Amazon → books like this →
Steelheartgrades 7–12: Same genre (Science Fiction) and overlapping grades (7–12). Amazon → books like this →
The Glass Castlegrades 9–12: Same genre (Science Fiction) and overlapping grades (9–12). Amazon → books like this →
Ugliesgrades 9–12: Shares themes of science fiction and overlapping grades (9–12). Amazon → books like this →
The Transall Sagagrades 6–9: Shares themes of science fiction, same genre (Science Fiction), and overlapping grades (6–9). Amazon → books like this →
The House of the Scorpiongrades 7–10: Same genre (Science Fiction) and overlapping grades (7–10). Amazon → books like this →
A Sudden Silencegrades 9–12: Both on the California Young Reader Medal list, overlapping grades (9–12), and the same era (1980s). Amazon → books like this →
Izzy, Willy-Nillygrades 9–12: Both on the California Young Reader Medal list, overlapping grades (9–12), and the same era (1980s). Amazon → books like this →

Books like Interstellar Pig for younger readers (K–2)

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

Space Case by Edward Marshall · grades K–3 — Shares themes of science fiction, both on the California Young Reader Medal list, and same genre (Science Fiction).
Nova's Ark by Kirk, David · grades 2–8 — Shares themes of science fiction and same genre (Science Fiction).
We Are in a Book by Mo Willems · grades K–3 — Shares themes of swine and both on the California Young Reader Medal list.
My Lucky Day by Keiko Kasza · grades K–3 — Shares themes of swine and both on the California Young Reader Medal list.
Are You Scared, Darth Vader? by Adam Rex · grades K–3 — Shares themes of science fiction.

Books like Interstellar Pig for elementary readers (grades 3–5)

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

Space Case by Edward Marshall · grades K–3 — Shares themes of science fiction, both on the California Young Reader Medal list, and same genre (Science Fiction).
Aliens for Breakfast by Jonathan Etra · grades 3–6 — Shares themes of science fiction and same genre (Science Fiction).
Zorgamazoo by Robert Paul Weston · grades 3–6 — Shares themes of science fiction, both on the California Young Reader Medal list, and same genre (Science Fiction).
Aliens Ate My Homework by Bruce Coville · grades 3–8 — Shares themes of science fiction and same genre (Science Fiction).
Charlie and the Great Glass Elevator by Roald Dahl · grades 4–6 — Shares themes of science fiction and same genre (Science Fiction).

Books like Interstellar Pig for middle school (grades 6–8)

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

Aliens for Breakfast by Jonathan Etra · grades 3–6 — Shares themes of science fiction and same genre (Science Fiction).
Zorgamazoo by Robert Paul Weston · grades 3–6 — Shares themes of science fiction, both on the California Young Reader Medal list, and same genre (Science Fiction).
Aliens Ate My Homework by Bruce Coville · grades 3–8 — Shares themes of science fiction and same genre (Science Fiction).
Charlie and the Great Glass Elevator by Roald Dahl · grades 4–6 — Shares themes of science fiction and same genre (Science Fiction).
Heir Apparent by Vivian Vande Velde · grades 6–8 — Shares themes of science fiction and same genre (Science Fiction).

Common questions

What books are similar to Interstellar Pig?: The 10 closest matches to Interstellar Pig by William Sleator on ReadingList include Rewind, The Boxes, Scythe, Steelheart, and The Glass Castle. Each is scored on shared themes (science fiction, human-alien encounters, and games), shared award lists, genre, and reading level (grades 9–12), and links to the curricula, states, and grades where it is assigned in US schools, with primary sources.
Are books like Interstellar Pig reading-level appropriate?: Yes — every match is a reading-level match, not just a topical one, scored on Lexile and grade band (grades 9–12), 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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