Collier's children's books include My Brother Sam Is Dead (1974), which deals with the American Revolution, and was awarded a Newbery Honor, and seven historical novels written with James, including Jump Ship to Freedom (1981).
The Collier children's book series includes works like My Brother Sam Is Dead (1974), a story about the American Revolution that received a Newbery Honor, as well as seven historical novels written in collaboration with James, including Jump Ship to Freedom (1981).