Graham Diamond Books

Thief of Kalimar

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Chocolate Lenin

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A unique and humorous look at today's contemporary world of technology and science, Chocolate Lenin will leave you laughing and moved at the same time. Graham Diamond has blended history, fantasy,...

Lady of the Haven

By Graham Diamond, Jose Gonzalez

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Maybe You Will Survive

By Aron Goldfarb

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THE HAVEN, the tale of a besieged bastion of mankind surrounded by endless forests, and deadly enemies. A cult classic, now back in print in a brand new edition containing the original cover and in...

Diner of Lost Souls

By Hedy Campeas, Graham Diamond

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Maybe You Will Survive

By Aron Goldfarb, Graham Diamond

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DINER of LOST SOULS Book 2

By Hedy Campeas, Graham Diamond

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Haven

By Graham Diamond

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Maybe You Will Survive

By Aron Goldfarb, Graham Diamond

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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.