Christina Weir Books

Ruin Revealed

By Nunzio Defilippis, Christina Weir, Greg Rucka

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Dragon Age

By Christina Weir, Nunzio DeFilippis

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Dragon Age Library Edition Volume 2

By Christina Weir, Greg Rucka, Nunzio DeFilippis

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Amazing Agent Luna

By Nunzio DeFilippis

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Grown in a lab from the finest genetic material, fifteen-year-old Luna Collins has been trained all her life by a covert government agency as the ultimate espionage agent. But now, the Agency has c...

Amazing Agent Luna omnibus

By Nunzio DeFilippis

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Skinwalker

By Brian Hurtt, Arthur Dela Cruz, Nunzio Defilippis, Christina Weir

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Maria s Wedding

By Nunzio Defilippis, Christina Weir, Jose Garibaldi

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Three Strikes

By Brian Hurtt, Nunzio Defilippis, Christina Weir

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Once In A Blue Moon Volume 1

By Nunzio Defilippis, Christina Weir, Jennifer Quick

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The Tomb

By Nunzio Defilippis, Christina Weir, Christopher J. Mitten

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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.