Mary Gentle Books

A hawk in silver

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Teenaged Holly finds a strange coin which leads her and her friend Chris into strange adventures with the magical people of the Hollow Hills.

"Naples, the 19th Century. In the Kingdom of the Two Sicilies, holy music has power. Under the auspices of the Church, the Sung Mass can bring about actual miracles like healing the sick or raising...

Left to his own devices

By Mary Gentle

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Ash

By Mary Gentle

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Steampunk

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Features stories in which the Victorian era is reimagined to include Martian technology, steam-powered robots, airships, alchemy, and various anachronistic technologies.

Under The Penitence

By Mary Gentle

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Guerriere Oubliee

By Mary Gentle

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Machines Sauvages

By Patrick Marcel, Mary Gentle

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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.