Tracy Yardley Books

Fate of Dr. Eggman Part 1

By Jim Amash, Tracy Yardley, Ian Flynn, Matt Herms

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Crisis City

By Jack Lawrence, Bracardi Curry, Leonardo Ito, Tracy Yardley, Ian Flynn

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Cosmo: The Mighty Martian

By Ian Flynn

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Writer Ian Flynn (Sonic the Hedgehog, Mega Man, Teenage Mutant Ninja Turtles) reunites with artist Tracy Yardley (Sonic Universe, Hero Cats) on the second arc of the revitalized COSMO!Cosmo is the...

Cosmo

By Tracy Yardley, Ian Flynn

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Sonic the Hedgehog, Vol. 2: The Fate of Dr. Eggman

By Ian Flynn Tracy Yardley Adam Bryce Thomas Evan Stanley

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Following their last battle, Dr. Eggman's been mysteriously absent from Sonic's life. What shocking secret will Sonic discover when he learns the bad doctor's whereabouts?Plus, Sonic isn't the only...

Sonic the Hedgehog, Vol. 3: Battle For Angel Island

By Ian Flynn Tracy Yardley Evan Stanley

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A powerful new foe has set his sights on Angel Island, and Sonic and his friends must defend it at all costs!When Neo Metal Sonic--an evil robot with Sonic's speed, Dr. Eggman's intellect, and an u...

Sonic the Hedgehog, Vol. 5: Crisis City

By Ian Flynn Tracy Yardley Diana Skelly

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Can Sonic save a city in crisis... or has he finally met his match?Dr. Eggman has launched his most extreme plan yet and Sonic's already racing to catch up! As Eggman drowns entire cities in his Me...

Sonic the Hedgehog, Vol. 1: !Consecuencias! (Sonic The Hedgehog, Vol 1: Fallout! Spanish Edition)

By Ian Flynn Tracy Yardley Adam Bryce Thomas Jennifer Hernandez Evan Stanley

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¡Acompaña a la Ráfaga Azul en estas nuevas aventuras, donde el y sus amigos corren por todo el mundo para vencer las fuerzas robóticas del malévolo Dr. Eggman!El g...

Sonic the Hedgehog, Vol. 2: El destino del Dr. Eggman (Sonic The Hedgehog, Vol. 2: The Fate of Dr. Eggman Spanish Edition)

By Ian Flynn Tracy Yardley Adam Bryce Thomas Evan Stanley

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Después de su última batalla, el Dr. Eggman ha estado misteriosamente ausente de la vida de Sonic. ¿Qué electrizante secreto descubrirá Sonic cuando se entere de...

Sonic the Hedgehog: The IDW Collection, Vol. 1

By Ian Flynn Tracy Yardley Evan Stanley Adam Bryce Thomas Jennifer Hernandez

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Oversized hardcover editions of IDW's celebrated Sonic The Hedgehog comic books, including the ongoing series, annuals, and mini-series, all presented in recommended reading order. Everything a beg...

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.