Richard Ashley Hamilton Books

Ascension Chronicles

By Richard Ashley Hamilton, James Corey Goode, David Kalbeitzer, Steve Cefalo

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Batman and Superman

By Richard Ashley Hamilton

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Batman and Superman: SWAPPED! (LEGO DC Comics Super Heroes Chapter Book 1)

By Richard Ashley Hamilton

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The world of LEGO® Batman™ and the DC Comics Super Heroes has gotten all mixed up in this illustrated hardcover chapter book featuring the Super Heroes (and Super-Villains) with swapped p...

Wonder Woman and Harley Quinn: SWAPPED! (LEGO DC Comics Super Heroes Chapter Book 2)

By Richard Ashley Hamilton

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The world of LEGO® Wonder Woman™ and the DC Super Heroes™ has gotten all mixed up in this illustrated paperback chapter book featuring the heroes (and villains) with swapped powers...

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.