Jim Christy Books

The Price of Power: A Biography of Charles Eugene Bedaux

By Jim Christy

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Puppet Ministry

By James Christy

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Flesh and Blood a Journey Into the Heart

By Jim Christy

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"The BUK Book offers a unique look at a phenomenon: Charles Bukowski - BUK - the battered and scarred postal clerk, odd jobs man, and lowly factotum, became the best-known "underground" writer in t...

The long, slow death of Jack Kerouac

By Jim Christy

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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.