Ann H. Matzke Books

Who's right, addition or multiplication?
Who's right, addition or multiplication?

By Ann H. Matzke

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Who's Right, Addition or Multiplication? teaches the relationship between adding and multiplication.

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Who's right, addition or multiplication?
Who's right, addition or multiplication?

By Ann H. Matzke

Average: 0.00, 0 Ratings

Who's Right, Addition or Multiplication? teaches the relationship between adding and multiplication.

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My Life As a Native American
My Life As a Pioneer
My Life As a Pioneer

By Ann H. Matzke

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What are the branches of democracy?
What are the branches of democracy?

By Ann H. Matzke

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A very brief introduction to the legislative, judicial, and executive branches of the U.S. government.

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My Life As a Native American
What Are the Branches of Democracy
My Life As a Pioneer
My Life As a Pioneer

By Ann H. Matzke

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Telling Time
Telling Time

By Ann H. Matzke

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Days Weeks and Months
Days Weeks and Months

By Ann H. Matzke

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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.

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