York's Adventures with Lewis and Clark: An African-American's Part in the Great Expedition
by Rhoda Blumberg
Nonfiction · ages 8–12 · 790L (~4th grade) · 88 pages · 2004
Why we'd hand it over
The only children's biography that treats York as a thinking subject rather than a sidecar to Lewis and Clark; Blumberg's honesty about historical gaps models what real scholarship looks like.