Mary Gentle Books

The Wild Machines:: The Book Of Ash, 3

By Mary Gentle

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Lost Burgundy Book of Ash No 4

By Mary Gentle

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A sundial in a grave 1610

By Mary Gentle

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In an effort to expose the newly crowned queen Marie de Medici's ruthless plot to assassinate her husband, French king Henri IV, professional duelist and court spy Valentin Rochefort inadvertently...

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.