Adam Christopher Books

Spider Wars 1

By Adam Christopher

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Killing is My Business

By Adam Christopher

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Another golden morning in a seedy town, and a new memory tape and assignment for intrepid PI-turned-hitman--and last robot left in working order--Raymond Electromatic. But, in Killing Is My Busines...

The Orphan King

By Adam Christopher Phillips

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Blood and ink

By Salman Akhtar

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Stranger Things Darkness on the Edge of Town Version poche

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Sparrow

By Ballantine

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Mandalorian Original Novel Star Wars

By Adam Christopher

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Blood and Ink

By Robert Anthony Lassalle Klein

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In November 1989, six members of the Jesuit community of the University of Central America in San Salvador, including the rector, Igancio Ellacuria, were massacred by government troops. Twenty-five...

I Have Demons

By Christopher Adam

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The Burning Dark

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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.