Cassandra Clark Books

Law of Angels

By Cassandra Clark

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A Parliament of Spies Cassandra Clark

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The Red Velvet Turnshoe

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A parliament of spies

By Cassandra Clark

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Autumn 1386. Hildegard of Meaux - a Cistercian Abbess with a keen instinct for crime solving - is accompanying the Archbishop of York, to London for the opening of Parliament. While packing to leav...

Velvet Turnshoe

By Cassandra Clark

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Erdo 287 an s New Turkey

By Nikos Christofis

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Hangman blind

By Cassandra Clark

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The red velvet turnshoe

By Cassandra Clark

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Red Velvet Turnshoe

By Cassandra Clark

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Law of Angels

By Cassandra Clark

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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.