Sydney Jordan Books

Fantasy Adventures 10

By Philip Harbottle, Sydney Jordan

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Jeff Hawke: Overlord

By Willie Patterson Sydney Jordan

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Widely considered one of the most important sci-fi comic strips ever published, Jeff Hawke is a benchmark in intelligent, adult-oriented storytelling!Jeff Hawke’s not your average space-hero;...

Jeff Hawke: The Ambassadors

By Willie Patterson Sydney Jordan

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Thought of as one of the most influential and intelligent comic strips ever published, Jeff Hawke is a high point in adult-oriented science fiction storytelling!Jeff Hawke is once more forced to be...

Fantasy Adventures 11

By Philip Harbottle

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From the Moon to the Stars

By Sydney Jordan, Duncan Lunan

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Notary Girl Boss 2021 2022 Planner

By Sydney Jordan

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Other Side of the Interface

By Sydney Jordan, Duncan Lunan

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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.