Sean Ryan Books

Stellar evolution and nucleosynthesis
2019 Fantasy Baseball Almanac and Draft Guide
The life and death of stars
The life and death of stars

By Sean Ryan

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Amazing Spider Man Vol. 2
Nova the human rocket
Nova the human rocket

By Sean Ryan

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A tale of two Novas! Sam Alexander's missing father is finally back, and together they're making adventure a family business. With their Nova helmets that enable them to fly and shoot energy beams,...

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Avengers No More Bullying
Bass book of Irish soccer
Bass book of Irish soccer

By Sean Ryan

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New Suicide Squad
New Suicide Squad

By Sean Ryan

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"Once a secret to even the highest government officials, the Suicide Squad has emerged from FOREVER EVIL as one of its most popular programs. Its mission: to send incarcerated super villains to car...

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New Suicide Squad
New Suicide Squad

By Sean Ryan

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"Harley Quinn. Deadshot. Captain Boomerang. Some of the most dangerous villains in the DC Universe are now ... our greatest hope for survival? Given the chance to repay for their sins, the members...

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New Suicide Squad
New Suicide Squad

By Tim Seeley

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Related Articles from our Blog

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.

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