Karin Kallmaker Books

Maybe Next Time

By Karin Kallmaker

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One Degree of Separation

By Karin Kallmaker

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"Snow is falling around the Aspen cabin that Leigh Insley never has time to visit. As winter gathers closer she wonders if it might finally be time to sell her getaway retreat. It's only a few hour...

Stake Through the Heart

By Barbara Johnson, Karin Kallmaker, Julia Watts, Therese Szymanski

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Seeds of fire

By Laura Adams

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Back to Basics

By Therese Szymanski

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Una aparicion inesperada

By Thais Morales

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A novel.

Ese Abrazo Que Pretendia Darte

By Karin Kallmaker

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Captain of Industry

By Karin Kallmaker

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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.