What books are similar to When Sea Becomes Sky?

The 10 closest matches to When Sea Becomes Sky by Gillian McDunn on ReadingList include Countdown to Yesterday, Jawbreaker, The Firefly Summer, The Labors of Hercules Beal, and Just Keep Walking. Each is scored on shared themes (family, nature, and art), shared award lists, genre, and reading level (grades 3–6), and links to the curricula, states, and grades where it is assigned in US schools, with primary sources.

Are books like When Sea Becomes Sky reading-level appropriate?

Yes — every match is a reading-level match, not just a topical one, scored on Lexile and grade band (grades 3–6), 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 When Sea Becomes Sky

If you liked When Sea Becomes Sky, read Countdown to Yesterday, Jawbreaker, or The Firefly Summer — the closest matches in our database, matched on shared themes, shared award lists, and reading level.

Closest match: Countdown to Yesterday by Shirley Marr — shares family and change

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Looking for books like When Sea Becomes Sky by Gillian McDunn (Middle Grade Fiction · grades 3–6)? It’s most often read for its themes of family, nature, and art. 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 3–6 reader. See how we judge text difficulty on our methodology page.

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Why each is a match

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Countdown to Yesterdaygrades 3–6: Shares themes of family and change, same genre (Middle Grade Fiction), and overlapping grades (3–6). Amazon → books like this →
Jawbreakergrades 3–7: Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction). Amazon → books like this →
The Firefly Summergrades 3–7: Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction). Amazon → books like this →
The Labors of Hercules Bealgrades 3–7: Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction). Amazon → books like this →
Just Keep Walkinggrades 3–6: Shares themes of nature, same genre (Middle Grade Fiction), and overlapping grades (3–6). Amazon → books like this →
Summer of the Monkeysgrades 4–7: Shares themes of family and nature, same genre (Middle Grade Fiction), and overlapping grades (4–7). Amazon → books like this →
The Wild Robot740L: Shares themes of family and nature, same genre (Middle Grade Fiction), and overlapping grades (4–6). Amazon → books like this →
Oliver's Great Big Universegrades 3–6: Both on the South Carolina Children's Book Award list, same genre (Middle Grade Fiction), and overlapping grades (3–6). Amazon → books like this →
The Superteacher Projectgrades 3–6: Both on the South Carolina Children's Book Award list, same genre (Middle Grade Fiction), and overlapping grades (3–6). Amazon → books like this →
The Wild Journey of Juniper Berrygrades 3–6: Both on the South Carolina Children's Book Award list, same genre (Middle Grade Fiction), and overlapping grades (3–6). Amazon → books like this →

Books like When Sea Becomes Sky for younger readers (K–2)

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

Tales of a Fourth Grade Nothing by Judy Blume · 470L — Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction).
The Guardian Test (Legends of Lotus Island #1) by Christina Soontornvat · grades 2–5 — Shares themes of nature, both on the South Carolina Children's Book Award list, and overlapping grades (2–5).
The One and Only Ruby by Katherine Applegate · grades 2–5 — Shares themes of family, same genre (Middle Grade Fiction), and overlapping grades (2–5).
A Journey Under the Sea by Craig Foster · grades 2–5 — Shares themes of nature and overlapping grades (2–5).
Butt or Face? by Kari Lavelle · grades K–2 — Shares themes of nature.

Books like When Sea Becomes Sky for elementary readers (grades 3–5)

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

Blended by Sharon M. Draper · 610L — Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction).
Tales of a Fourth Grade Nothing by Judy Blume · 470L — Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction).
Wonder by R.J. Palacio · 790L — Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction).
Pax by Sara Pennypacker · 760L — Shares themes of nature, same genre (Middle Grade Fiction), and overlapping grades (4–7).
Wishtree by Katherine Applegate · 590L — Shares themes of nature, same genre (Middle Grade Fiction), and overlapping grades (3–6).

Books like When Sea Becomes Sky for middle school (grades 6–8)

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

Blended by Sharon M. Draper · 610L — Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction).
Wonder by R.J. Palacio · 790L — Shares themes of family, both on the South Carolina Children's Book Award list, and same genre (Middle Grade Fiction).
Pax by Sara Pennypacker · 760L — Shares themes of nature, same genre (Middle Grade Fiction), and overlapping grades (4–7).
Wishtree by Katherine Applegate · 590L — Shares themes of nature, same genre (Middle Grade Fiction), and overlapping grades (3–6).
Race for the Ruby Turtle by Stephen Bramucci · grades 3–6 — Shares themes of nature, both on the South Carolina Children's Book Award list, and overlapping grades (3–6).

Common questions

What books are similar to When Sea Becomes Sky?: The 10 closest matches to When Sea Becomes Sky by Gillian McDunn on ReadingList include Countdown to Yesterday, Jawbreaker, The Firefly Summer, The Labors of Hercules Beal, and Just Keep Walking. Each is scored on shared themes (family, nature, and art), shared award lists, genre, and reading level (grades 3–6), and links to the curricula, states, and grades where it is assigned in US schools, with primary sources.
Are books like When Sea Becomes Sky reading-level appropriate?: Yes — every match is a reading-level match, not just a topical one, scored on Lexile and grade band (grades 3–6), 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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