David Fontana Books

1000 suenos

By David Fontana

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The New Secret Language of Symbols

By David Fontana

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Unlock the secret meanings of the symbols that surround us.The New Secret Language of Symbols is a beautifully illustrated sourcebook of symbols and symbol systems. An illuminating introduction loo...

Space in Mind

By John Crook, David Fontana

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Secret Power of Dreams

By David Fontana

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Dreams New Perspectives

By David Fontana

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Growing Together

By David Fontana

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Meditation Week by Week

By David Fontana

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Learn to Dream

By David Fontana

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Meditating With Mandalas

By David Fontana

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Meditating with Mandalas

By David Fontana

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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.