Gerald Summers Books

The Lure Of The Falcon

By Gerald Summers, Drawings By Duncan Mclaren

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The Lure of the Falcon is the story of a young man and the injured kestrel falcon that became his friend and companion -- and eventually accompanied him to war and to POW camps, where she saved h...

Wings Over Wales

By Gerald Summers

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Where vultures fly.

By Gerald Summers

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Owned by an eagle

By Gerald Summers

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The lure of the falcon

By Gerald Summers

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Owned by an Eagle

By GERALD SUMMERS

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Owned by an eagle

By Gerald Summers

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The Lure of The Falcon

By Gerald Summers

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An African bestiary.

By Gerald Summers

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The computer dating game

By Gerald Summers

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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.