Matthews, John Books

The Grail Tarot

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With The Grail Tarot, John Matthews and Giovanni Caselli join forces to bring to together the elements of the grail legend in a wonderfully conceived and beautifully designed new tarot. The grail l...

The last witness

By John Matthews

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Amos

By Matthews John

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Piratas.

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El Santo Grial

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Oude Schuld

By Matthews, John, John Matthews

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Zuid-Frankrijk, augustus 1963. De tienjarige Christian Rosselot wordt ontvoerd en verkracht. Meer dood dan levend laat de dader hem achter in een korenveld. Niet lang daarna sterft het kind. De lok...

The Last Witness

By Matthews, John, John Matthews

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Elena Waldren has a secret that she's built fences around for the last twenty-nine years and kept from everyone. Through her work with an aid agency, her fears about the plight of a young girl plac...

Past imperfect

By John Matthews

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An investigation and legal battle that spans three decades and two continents. Dominic Fornier is the French detective who finds himself at the heart of the case, which takes him from a sleepy rura...

Arthurian Magic

By John Matthews, Caitlin Matthews

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Art of Childhood and Adolescence

By John Matthews

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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.