Charlie Ayres Books

Lives of the great artists

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Presents illustrated and age-appropriate imaginary tours of the studios of famous artists from Leonardo da Vinci and Michelangelo to Monet and van Gogh, in an anecdotal reference that is complement...

The story of the world s greatest paintings

By Charlie Ayres

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Presents twenty famous paintings from the history of art, describing how they were created, their original audience, and the influence they have had on later artists.

20 Peintres 80 Chefs D Oeuvre l Essentiel de L Art

By Charlie Ayres

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Historia de los grandes cuadros

By Maria Condor, Charlie Ayres

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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.