This completely revised and attractively redesigned edition of one of the most popular volumes in the bestselling Core Knowledge Series features up-to-date ideas and information based on input from pa
Since the Core Knowledge series was introduced, hundreds of thousands of children have benefited from these books' effective and user-friendly knowledge-based curriculum. Researchers at the Core Knowl
Grade by grade, these groundbreaking and successful books provide a solid foundation in the fundamentals of a good education for first to sixth graders.B & W photographs, linecuts, and maps throug
