Katherine Killmond Books

Time of the twins

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A follow-up to Rebels: City of Indra follows the story of twin sisters Lex and Livia as they make a grueling journey in search of the mother they thought was dead and face a prophecy about how they...

Time of the Twins

By Kendall Jenner, Elizabeth Killmond Roman, Katherine Killmond, Kylie Jenner

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Time of the Twins

By Elizabeth Killmond Roman, Katherine Killmond, Kylie Jenner

Average: 0.00, 0 Ratings

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.