Rich Thomas Jr. Books

Thor

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Hailed as a god with the power to control the elements, prince Thor Odinson resolves to prove himself worthy of inheriting the throne of Asgard when his arrogance nearly costs him the right to wiel...

Captain America joins the Avengers

By Rich Thomas

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Marvel Spider Man Attack of the Heroes

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Happy holidays

By Thomas Macri

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"It was supposed to be the most wonderful time of the year, but after battling monsters and villains, the mighty Avengers just weren't in the holiday spirit. Not even gifts from the Wasp could make...

Kahramanlarin Saldirisi Spider Man

By Rich Thomas Jr.

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Guardians of the Galaxy

By Rich Thomas Jr., Disney Book Group Staff

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Wolverine An Origin Story

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X Men

By Marvel Press Group Staff, Thomas Richard Jr., Pat Oliffe, Disney Book Group Staff

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Hulk She Hulk

By Val Semeiks, Thomas Rich Jr.

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The Avengers

By Rich Thomas

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Presents the story of how Iron Man, Thor, Ant-Man, the Wasp, and the Hulk learned to work together to defeat the villain Loki.

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.