Cis Van Heertum Books

Magia, alchimia, scienza dal '400 al '700

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A critical edition of Joseph Swetnam's The araignment of lewd, idle, froward, and unconstant women (1615)

By F. W. Van Heertum

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From Poimandres to Jacob Bohme

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Divine wisdom divine nature

By Jose Bouman, Cis Van Heertum

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This lavishly illustrated work, published on the occasion of the fourth centenary of the Rosicrucian Manifestoes in 2014-2016, focuses on an extraordinary range of images which appeared in Germany...

Libertas philosophandi

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Artikelen over de Nederlandse wijsgeer Spinoza (1632-1677), zijn leven en gedachtegoed, gevolgd door een tentoonstellingscatalogus.

De andere achttiende eeuw

By Ton Jongenelen, Andre Hanou, Frank Van Lamoen, Cis Van Heertum

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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.