Celia S. Friedman Books

L Aube du soleil noir volume 2 Citadelle des tempetes

By C. S. Friedman

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Enfants de la conquete

By Marie Surgers, Celia S. Friedman

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Enfants de la conquete

By Celia S. Friedman

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Die Seelenkriegerin

By Celia Friedman

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Nightborn: Coldfire Rising

By C.S. Friedman

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A prequel to the lauded Coldfire trilogy, Friedman's latest novel mixes the best of dark fantasy and chilling sci-fi.A ship full of colonists arrive on a seemingly hospitable planet, only to discov...

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.