McCormack, Una Books

Doctor Who

By Una McCormack, McCormack, Una

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Roman-Science Fiction

Star Trek: Deep Space Nine: Hollow Men

By Una McCormack, McCormack, Una

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At the turning point of the Dominion War, Captain Benjamin Sisko of Starbase "Deep Space 9" (TM), facing certain defeat by the relentless forces of the Jem'Hadar and the Cardassians, went through w...

Star Trek: Deep Space Nine: The Never Ending Sacrifice

By Una McCormack, McCormack, Una

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Product Description A boy looks up. He sees a Cardassian's hand on his shoulder and knows that this is usually a prelude to a beating or, if he is fortunate enough, arrest. The boy knows how many...

Doctor Who: Way Through The Woods

By Una McCormack, McCormack, Una

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"The motorway bends around the woods. So did the old road. So did the Roman road. As long as people have lived here, they've gone out of their way to avoid the woods..." England, today. Between th...

Farming, Fighting And Family

By Miranda McCormick, McCormack, Una

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'They called it Enamour. It turned minds, sold merchandise, and swayed elections. And it did its job far too well...'In the city-state of Geath, the King lives in a golden hall, and the people want...

Star Trek: Deep Space Nine: Hollow Men

By Una McCormack, McCormack, Una

Average: 0.00, 0 Ratings

Star Trek: Deep Space Nine: The Never Ending Sacrifice

By Una McCormack, McCormack, Una

Average: 0.00, 0 Ratings

Product Description A boy looks up. He sees a Cardassian's hand on his shoulder and knows that this is usually a prelude to a beating or, if he is fortunate enough, arrest. The boy knows how many...

Doctor Who: All Flesh Is Grass: Time Lord Victorious

By Una McCormack, McCormack, Una

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"Even a Time Lord can't change the past. A wasteland. A dead world... No, there is a biodome, rising from the ash. Here, life teems and flourishes, with strange and lush plants, and many-winged ins...

Star Trek Deep Space Nine

By Una McCormack

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Way Through the Woods

By Una McCormack

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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.