Roland Persson Books

The phenomenon of materializing a dream

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Drawings made in the early mornings in an attempt to visualize the dreams of the previous night as close as possible to a memory of sorts. I have also made use of other people's dreams. A collage o...

Roland Persson

By Roland Persson

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Public private

By Roland Persson

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Public//Private? är uppdelad i två delar, offentlig konst och privat. Boken är en bred genomlysning av ett stort antal offentliga verk, permanenta, tillfälliga och experimentella. Boken inkluderar...

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.