Todd J. McCaffrey Books

Dragonholder

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"A member of Anne McCaffrey's family - her son Todd - gives us a candid and inspiring glimpse into the mind and soul of one of the greatest science fiction and fantasy writers of all time - an extr...

Dragon's Fire

By Todd McCaffrey, Anne McCaffrey, Todd J. McCaffrey

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Dragon Harper

By Todd McCaffrey, Anne McCaffrey, Todd J. McCaffrey

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Dragon's Time: Dragonriders of Pern

By Anne McCaffrey, Todd J. McCaffrey

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Weyrwoman Fiona struggles to keep her surviving Weyr in fighting shape while Lorana plans a complicated time-travel journey to save their world.

Dragon's Fire

By Anne McCaffrey, Todd J. McCaffrey

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Dragonheart

By Todd J. McCaffrey

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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.