Paul Kellam Books

Human Virology

By Leslie Collier, John Oxford, Paul Kellam

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Human Virology

By L. H. Collier

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You Can Be a Good Friend

By Taraji P. Henson, Paul Kellam

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The Little Mermaid: Make A Splash

By Ashley Franklin

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Explore under the sea and beyond with Ariel in the new picture book retelling of Disney's live action The Little Mermaid!Ariel is a curious mermaid who has always wanted to explore the human world!...

Antonello Mellow Fellow

By Paula Betancur, Paul Kellam

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Antonello Caramelo Me Relajo y Contento Me Mantengo

By Paula Betancur, Paul Kellam

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Antonello Caramelo Me Relajo y Contento Me Mantengo

By Paula Betancur, Paul Kellam

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Human Virology

By Paul Kellam, Leslie Harold Collier, John Sidney Oxford

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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.