Catana Chetwynd Books

Little moments of love

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It began with a chat about the mere-exposure effect in psychology, and became Chetwynd's internet comic series about following John around, trying to encounter him more. They're fueled by love, sil...

Catana Comics Little Moments of Love 2019 Wall Calendar

By Catana Chetwynd

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Catana Comics Little Moments of Love 2020 Deluxe Day to Day Calendar

By Catana Chetwynd

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In Love Pajamas

By Catana Chetwynd

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Little Moments of Love

By Catana Chetwynd

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Little Moments of Love

By Catana Chetwynd

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Snug

By Catana Chetwynd

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Snug

By Catana Chetwynd

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Snug

By Catana Chetwynd

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Snug

By Catana Chetwynd

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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.