E. D. Hirsch Jr. Books

The Dictionary of Cultural Literacy

By E. D. Hirsch Jr., E. D. Hirsch, James Trefil, Joseph F. Kett

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Pollyanna

By E. D. Hirsch Jr., Eleanor Hodgman Porter

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King Arthur

By E. D. Hirsch Jr., Alice M. Hadfield

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What Your Fifth Grader Needs to Know

By E. D. Hirsch Jr.

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What should your child learn in the fifth grade? How can you help him or her at home? This book answers these important questions and more, offering the specific shared knowledge that thousands of...

What Your Sixth Grader Needs to Know

By E. D. Hirsch Jr.

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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 through...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.