Andrew M. Seddon Books

Iron Scepter

By Scepter, Andrew M. Seddon

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Walking with the Celtic Saints

By Andrew Seddon

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Red planet rising

By Andrew M. Seddon

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Infinite space infinite God II

By Robert A. Fabian, Karina L. Fabian

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Ring of time

By Andrew M. Seddon

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"In the 27th century, humanity's greatest technological achievement is the massive, star-powered Temporal Displacement Ring: a portal to the past. Professor Robert Cragg, reeling from his own perso...

Wreaths of Empire

By Andrew M. Seddon

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Fungi Spring 2011

By Pierre Comtois

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Imperial legions

By Andrew M. Seddon

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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.