Jacob Kimvall Books

EGS

By Jacob Kimvall, Rafael Schacter, Egs, Pirkko Tuukkanen, KET Graffiti Artist

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EGS (1974, Helsinki) is remarkable, and not simply because he has painted all over the world; on five continents and in more than fifty countries, from Bucharest to Buenos Aires and from Shanghai t...

Graffiti Coloring Book 2 Characters

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The G word

By Jacob Kimvall

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Why does the CIA praise graffiti as a colourful symbol of the optimism and hope of the Western World while officials in many cities describe the same phenomenon as a criminal activity and a represe...

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.