Mary Stewart Books

Young Nicola Ferris, on vacation from her secretarial job at the British embassey in Athens, was enjoying the wild and beautiful scenery of southern Crete, when she found Mark Langley, a mysterious...

Crystal Cave

By Mary Stewart

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Merlin's adventures up to the birth of Arthur, the future king, are told.

The hollow hills

By Mary Stewart

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In this sequel to The Crystal Cave, Merlin conceals and grooms the child Arthur until the time of his coronation.

The Last Enchantment

By Mary Stewart

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As King Arthur struggles to achieve unity in Britain, Merlin realizes that all of his prophecies are coming true.

A Walk in Wolf Wood

By Mary Stewart

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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.