David Velasco Books

Exotic Brunettes

By David Velasco

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Ralph Lemon

By Thomas J. Lax

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Ralph Lemon (born 1952) is one of the most significant figures to emerge from New Yorks downtown dance and performance world in the past 40 years. A polymath and shape-shifter, Lemon combines dance...

Sarah Michelson

By David Velasco

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Dossier Anunnaki Libro Game

By David Velasco, Aldo Rovagnati

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Expediente Anunnaki

By David Velasco

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Portal Ouija

By David Velasco

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Heroes Del Acero Piratas I

By David Velasco

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Expediente Anunnaki Volumen I

By David David Velasco

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Heroes of Urowen

By David Velasco

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Heroes Del Acero Piratas II

By David Velasco

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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.