Stephan Keppel Books

Reprinting the city

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This publication reads as a visual city portrait of the Dutch harbour city Den Helder. Stephan Keppel scratches the surface of the streets of this city, and looks for new ways to show what the city...

Stephan Keppel

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For the creation of 'Entre Entree', Stephan Keppel spent one year in Paris and it's suburbs. By reproducing the endless variations of the city's surfaces - with his set of printers, camera's and pa...

Stephan Keppel Flat Finish

By Stephan Keppel

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Soft Copy Hard Copy

By Stephan Keppel

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Stephan Keppel

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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.