Grace Norwich Books

Up Close & Personal: Zac Efron

By Grace Norwich

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Up Close & Personal: Vanessa Hudgens

By Grace Norwich

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Up Close & Personal: Miley Cyrus

By Grace Norwich

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Amped Up

By Grace Norwich

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I am Cleopatra

By Grace Norwich

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As the last pharaoh of ancient Egypt, I ruled alone without the help of my husband. I was a powerful and courageous leader, and I passionately loved my people. Much has been written of my beauty, b...

Ashton!

By Grace Norwich

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Profiles the actor who stars in the television series, "That '70s show."

Joji Rukasu

By Grace Norwich

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Zac Attack

By Grace Norwich

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Ashley Tisdale

By Grace Norwich

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Back-to-back biographies of Hollywood stars Ashley Tisdale and Zac Efron. Read one, then flip the book over to read the other.

Vanessa Hudgens Breaking Free

By Grace Norwich

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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.