Sally Wern Comport Books

Introduce children to Dr. Martin Luther King Jr., the civil rights movement, and the historic march on Washington with this inspiring biography!  Young readers can now learn about one o...

Dream March: Dr. Martin Luther King, Jr., and the March on Washington

By Vaunda Micheaux Nelson Illustrated By Sally Wern Comport

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Introduce children to Dr. Martin Luther King Jr., the civil rights movement, and the historic march on Washington with this inspiring biography!  Young readers can now learn about one o...

Treasure Map

By Sally Wern Comport, Catherine Nichols

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Off to Sea

By Sally Wern Comport, Catherine Nichols

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On the Island

By Sally Wern Comport, Catherine Nichols

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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.