D. Alan Lewis Books

Black pulp

By Gary Phillips, Morgan Minor, Tommy Hancock

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Black Pulp is a collection of stories featuring characters of African origin, or descent, in stories that run the gamut of genre fiction. Black Pulp, a concept developed by noted crime novelist Gar...

The Blood in Snowflake Garden

By D. Alan Lewis

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Lightning Bolts of Zeus

By D. Alan Lewis

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Lightning Bolts of Zeus

By D. Alan Lewis

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Comfort Foods

By Mary Lang, Kim Caudell, Nikki Nelson Hicks, Larry Underwood

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Blood Red Ruby

By D. Alan Lewis

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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.