For a reader who just finished
Books like The tower treasure
after The tower treasure by Franklin W. Dixon · ages 8–12
Same style

by Steve Sheinkin
Nonfiction · ages 10–14 · grades 5–9 · 820L
A genuine page-turner that makes nuclear physics and WWII espionage accessible to smart 11-year-olds without dumbing down the science or the moral complexity.

by George Selden
Chapter book · ages 8–12 · grades 3–7 · 620L
A genuinely moving mid-century classic — Chester's accidentally-consequential cricket songs and the three friends' unlikely loyalty still carry real emotional weight, and the prose is precise enough that kids notice the author trusts them.

by Rebecca Stead
Middle grade · ages 10–14 · grades 5–9 · 760L
A puzzle-box mystery that rewards close reading and re-reading; the emotional core (friendship fracture and repair) lands as hard as the plot twist, and 10-year-olds become tiny detectives.
Stretch them up

by E. L. Konigsburg
Middle grade · ages 8–12 · grades 3–7 · 790L
A book that trusts kids to be intellectually bored and emotionally complex—Claudia's runaway isn't melodrama, it's a quiet reckoning with identity that lands harder on rereads.

by Darcie Little Badger
Middle grade · ages 10–14 · grades 5–9 · 720L
A genuinely original middle-grade fantasy that centers Indigenous worldview and disability without sentimentality—the magic feels earned, the protagonist is unflinching, and the prose is gorgeous without being flowery.

by Varian Johnson
Middle grade · ages 8–12 · grades 3–7 · 730L
A genuinely smart mystery that teaches the hard history of Jim Crow without moralizing — kids solve the puzzle alongside the protagonist while learning what systemic racism looked like up close.
Complementing on observation evidence

by Jim Murphy
Nonfiction · ages 10–14 · grades 5–9 · 820L
Gripping, historically rigorous account that models how evidence overturns expert consensus—kids emerge understanding both the horror and the intellectual detective work of epidemiology.

by Jean Craighead George
Middle grade · ages 10–14 · grades 5–9 · 760L
A Newbery-winning masterpiece that hasn't aged a day—Julie's survival story is genuinely gripping, and the quiet exploration of cultural identity and belonging lands without preaching.

by Jean Craighead George
Middle grade · ages 10–14 · grades 5–9 · 750L
A landmark survival novel that treats a 13-year-old girl's autonomy and environmental intelligence as serious — the wolf pack chapters are unforgettable, and the identity crisis at the core still resonates.
We'd skip — for now

by James Dashner
A step up — ages 13–18 · grades 8–12
Skip it if your teen has a low tolerance for sustained threat or finds books where protagonists are kept in the dark frustrating rather than gripping.