Hans Den Hartog Jager Books

Jan Hoet is een fenomeen. Regelmatig wordt 'de kunstpaus' verweten dat hij met zijn vele mediaoptredens het zicht beneemt op dat waar het werkelijk om draait: de kunst zelf. Toch dankt hij zijn roe...

The past inside the present

By Hans Den Hartog Jager, Maria Barnas, Esther Tielemans

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Art is artificial; it is a fake version of reality. The imagery of art represents, illustrates suggests and provides stillness -- it sharpens our perspectives and deepens the experience of reality....

Haai op sterk water

By Hans Den Hartog Jager

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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.