Many Waters (Time Quintet #4)
by Madeleine L'Engle
Middle grade · ages 10–14 · grades 5–9 · 800L · 2019
Why we'd hand it over
Dense, strange, and uncompromisingly philosophical — L'Engle treats a biblical world as genuinely alien rather than Sunday-school-safe, and the romance and theology will haunt readers who stick with it.