Coreene Callahan Books

Fury of Seduction

By Coreene Callahan, Benjamin L. Darcie

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Knight Avenged

By Coreene Callahan

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Fury of Obsession

By Coreene Callahan

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Warrior s revenge

By Coreene Callahan

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"After the death of her parents, Lady aurora de Marquise is left with no illusions. Stripped of her birthright and betrayed by her uncle, escape is her only option. With her life on the line, she...

Fury of ice

By Coreene Callahan

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A frost dragon consumed by desire for a homicide detective, must rescue her from the clutches of a clan of dragonkind.

Knight awakened

By Coreene Callahan

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Warlord Vladimir Barbu has seized control of Transylvania, but his claim to the throne remains anything but certain. The king of Hungary opposes his rule, his people despise him, and the high pries...

Fury of surrender

By Coreene Callahan

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Dragon warrior Forge has been sentenced to death by the Dragonkind elite. Recalling the memories of his family's murders could drive him to the edge of insanity, but it's the only way to remove the...

Knight avenged

By Coreene Callahan

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Drawn by a destiny he won't accept, elite assassin Henrik Lazar detests the mystical curse handed down by his mother. But when the sorcery in his blood is activated and past pain comes back to haun...

Fury of a Highland Dragon

By Coreene Callahan

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Fury of Fate

By Coreene Callahan

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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.