Henk Van Der Kolk Books

When Citizens Decide: Lessons from Citizen Assemblies on Electoral Reform

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Three large-scale democratic experiments have taken place in which groups of randomly selected ordinary citizens were asked to independently design the next electoral system. The lessons drawn from...

When Citizens Decide

By R. Kenneth Carty, Andre Blais, Patrick Fournier, Henk Van Der Kolk, Jonathan Rose

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When Citizens Decide

By Patrick Fournier, Henk Van Kolk

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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.