What Your Third Grader Needs to Know(Reprint) Fundamentals of a Good Third-Grade Education (Core Knowledge Series) by E. D. Hirsch, E. D. Paperback, 368 Pages, Published 1994 by Delta ISBN-13: 978-0-385-31257-8, ISBN: 0-385-31257-1
WHAT YOUR SECOND GRADER NEEDS TO KNOW(Reprint) (The Core Knowledge Series. Resource Books for Grades One Throu) by E. D. Hirsch Paperback, 336 Pages, Published 1993 by Delta ISBN-13: 978-0-385-31027-7, ISBN: 0-385-31027-7
What Your Fourth Grader Needs to Know(Reprint) Fundamentals of a Good Fourth-Grade Education (Core Knowledge Series) by E. D. Hirsch Paperback, 416 Pages, Published 1994 by Delta ISBN-13: 978-0-385-31260-8, ISBN: 0-385-31260-1