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 Kindergartner Needs to Know(Updated) (Revised and ): Preparing Your Child for a Lifetime of Learning (The Core Knowledge Series) by E. D. Hirsch Paperback, 512 Pages, Published 2014 by Bantam ISBN-13: 978-0-553-39238-8, ISBN: 0-553-39238-7
What Your Second Grader Needs to Know(Updated) (Revised and ): Fundamentals of a Good Second-Grade Education (The Core Knowledge Series) by Eric Donald Hirsch Paperback, 528 Pages, Published 2014 by Bantam ISBN-13: 978-0-553-39240-1, ISBN: 0-553-39240-9
What Your Second Grader Needs to Know(Updated) Fundamentals of a Good Second-Grade Education Revised (Core Knowledge Series) by Eric Donald Hirsch Paperback, 384 Pages, Published 1999 by Delta Mobipocket_Ebook ISBN-13: 978-0-385-31843-3, ISBN: 0-385-31843-X