Madeleine St. John Books

The women in black

By Madeleine St John

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The Women In Black

By Madeleine St. John

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The Women in Black

By Madeleine St John

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The essence of the thing

By Madeleine St John

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The aftermath of a broken romance, set in England. Out of the blue, Jonathan announces to Nicola that he no longer loves her and that they should stop living together. The novel chronicles the way...

The Essence of the Thing

By Madeleine St John

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A pure clear light

By Madeleine St John

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A Pure Clear Light

By Madeleine St John

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Essence of the Thing

By Madeleine St John

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A pure clear light

By Madeleine St John

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The Essence of the Thing

By Michelle St. John, Madeleine St John

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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.