For a reader who just finished
Books like Why We Sleep
after Why We Sleep by Matthew Walker
Same style

by Jim Murphy
Nonfiction · ages 9–12 · grades 4–7 · 800L
The gold standard for elementary history—Murphy weaves eyewitness accounts and period illustrations into a page-turner that teaches research method without feeling like a textbook.

by Aranka Siegal
Nonfiction · ages 10–14 · grades 5–9 · 840L
A masterwork of Holocaust memoir written in a child's voice—unflinching about fear and loss, but grounded in the texture of ordinary summers, school, and family that make the encroaching darkness undeniable.

by Carl Sagan
Nonfiction
A 1980 classic that still holds — Sagan's measured wonder and clarity about the scale of the universe can genuinely shift how a curious 10+ kid sees their place in it.
Complementing on scientific method

by Sy Montgomery
Nonfiction · ages 8–12 · grades 3–7 · 720L
Montgomery's infectious curiosity and on-the-ground reporting make conservation science visceral and urgent—kids finish this wanting to know how to help, not just what the problem is.

by David Macaulay
Nonfiction · ages 8–12 · grades 3–7 · 720L
Macaulay's masterpiece — architectural history made visceral through illustration and narrative; kids who engage deeply will ask real questions about how things are built.

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.