Judi Ketteler Books

Would I Lie to You?

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Inspired by her popular New York Times article, “How Honesty Could Make You Happier,” award-winning journalist Judi Ketteler takes a deep dive into the hard truths about honesty, f...

Would I Lie to You?

By Judi Ketteler

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What would it mean to commit to unconditional honesty and what impact might that have on our lives? Inspired by her popular New York Times article, "How Honesty Could Make You Happier," award-winni...

No Land s Man

By Judi Ketteler, Aasif Mandvi

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Spoonflower Handbook

By Judi Ketteler, Stephen Fraser

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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.