Geoff Edgers Books

Who Were the Beatles Who Was...

By Geoff Edgers

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Who Was Elvis Presley Who Was...

By Geoff Edgers

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Born in California in 1912, Julia Child enlisted in the Army and met her future husband, Paul, during World War II. She discovered her love of French food while stationed in Paris and enrolled in L...

Who Was Elvis Presley

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Who Were the Beatles

By Geoff Edgers

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Who Were the Beatles?

By Geoff Edgers

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Who Were the Beatles?

By Geoff Edgers Illustrated By Jeremy Tugeau

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Almost everyone can sing along with the Beatles, but how many young readers know their whole story?  Geoff Edgers, a Boston Globe reporter and hard-core Beatles fan, brings the Fab Four to lif...

Who Is Stan Lee

By Geoff Edgers

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Who Was Julia Child

By Dede Putra, Carlene Hempel, Geoff Edgers

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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.