Bill Walker Books

Abe Lincoln

By Bill Walker, Brian Anthony

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Abe Lincoln on acid

By Brian Anthony

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There are whispers even now that Abraham Lincoln never really died, that a voodoo spell cursed him with a terrible eternal life. It has even been claimed that he robbed banks in the 1930s with John...

Clipped Wings

By Bill Walker, Colin Cummings

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Those Were the Days

By Bill Walker

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The Best Way

By Bill Walker

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Starring... John Dillinger

By Bill Walker, Brian Anthony

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Mastery of Keys

By Bill Walker

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Mastery of Keys

By Bill Walker

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Death Pledge

By Bill Walker

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A cold-blooded and ruthless female assassin, Murphy thought she'd found the perfect gig: no shortage of assignments and an employer with unlimited funds. But her latest kill might have ruined it al...

25 Years Old and No Friends

By Bill Walker

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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.