Robert Gray Books

The Birds of the West of Scotland Including the Outer Hebrides
The Birds of Ayrshire and Wigtownshire
The Theory of Dreams
The Theory of Dreams

By Robert Gray

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The Birds of the West of Scotland Including the Outer Hebrides
The Birds of Ayrshire and Wigtownshire
The king's wife
The king's wife

By Robert Gray

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The King s Wife
The King s Wife

By Robert Gray

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Cougar
Cougar

By Robert Gray

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The true story of Felis, a cougar who lived, hunted, and raised her cubs in the wilds of a Montana canyon.

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Cougar The Natural Life of a North American Mountain Lion.
The Factory Question and Industrial England 18301860

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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.

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