Siobhan Gallagher Books

In a Daze Work

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"This is the choose-your-own-adventure book all millennials need."--Brit & Co.Choose your way to a perfect day with this adventurous book full of personality, tongue-in-cheek wordplay, and gorgeous...

Who Do You Think You Are?

By Siobhan Gallagher

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Explore the ways that your past has affected the person you've grown into in this fully illustrated journal.You are who you are today because of a million tiny moments. It's hard to say which momen...

Full of Myself

By Siobhan Gallagher

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In a Daze Work

By Siobhan Gallagher

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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.