This book was recognised in the Nonfiction category by the Horn Book Award. Presented annually since 1967 by the Boston Globe and Horn Book Magazine for excellence in childrens and young adult literature. This honour is granted in the three categories of Fiction and Poetry, Non-fiction, and Picture Book. Presented annually since 1967 by the Boston Globe and Horn Book Magazine for excellence in childrens and young adult literature. This honour is granted in the three categories of Fiction and Poetry, Non-fiction, and Picture Book.