Marisa Lewis Books

How to keep a sketch journal

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" 'How to Keep a Sketch Journal' is the essential guide to observational sketching, suitable for both new and experienced artists. 'How to Keep a Sketch Journal' is the essential travel-sized guide...

Beyond Art Fundamentals

By 3dtotal Publishing

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Leopard Boy

By Julia Johnson, Marisa Lewis

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Zbrush

By 3Dtotal Publishing Staff

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Characters

By 3DTotal Publishing Staff

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Graphite 7

By 3D Total Publishing Staff

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Sketching from the Imagination

By 3dtotal Publishing Staff

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Cobweb Capers

By Jane McGee, Marisa 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.