Jen Hatmaker Books

The 7 Experiment - DVD Leader Kit: Staging Your Own Mutiny Against Excess

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Why do we pursue more when we’d be happier with less? In this updated edition of 7, New York Times bestselling author Jen Hatmaker tells the story of how she and her family tried to combat overindu...

Simple and Free: Study Guide

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Packed with tools and practices, this study guide takes us deeper into Simple & Free: 7 Experiments Against Excess by New York Times bestselling author Jen Hatmaker, helping us combat the areas of...

7: An Experimental Mutiny Against Excess (Updated and Revised)

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Why do we pursue more when we'd be happier with less? This is the story of how New York Times bestselling author Jen Hatmaker and her family tried to combat overindulgence—and what they learned abo...

Simple and Free

By Jen Hatmaker

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Why do we pursue more when we’d be happier with less? In this updated edition of 7, New York Times bestselling author Jen Hatmaker tells the story of how she and her...

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.