Nancy Jensen Books

The sisters

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"Growing up in hardscrabble Kentucky in the 1920s, with their mother dead and their stepfather an ever-present threat, Bertie Fischer and her older sister, Mabel, have no one but each other - with...

The Sisters

By Nancy Jensen, Cassandra Campbell

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The Sisters

By Nancy Jensen, Cassandra Campbell

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The Sisters

By Nancy Jensen, Cassandra Campbell

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The Girl Who Cried Wolf

By Nancy Jensen, Kat Sparks, Nathan P. Swink Ph.D, Dr. Greg Meissen Ph.D

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Make It a Merry Christmas

By Nancy Jensen, Gunilla Lindwall

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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.