Eoin McNamee Books

The Frost Child

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The final book in the thrilling Navigator trilogy.Twice the Harsh have tried to destroy time, and twice Owen and the Resisters have banded together to stop them. In City of Time, Owen killed the Ha...

The Ring of Five

By Eoin McNamee

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Kidnapped on his way to boarding school, Danny Caulfield, who has one blue eye and one brown eye, ends up at a mysterious academy of spies, where he is to be trained in the art of espionage in an e...

City of Time

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CATI, THE BOLD Watcher readers met in The Navigator, returns from the shadows of time to summon Owen and Dr. Diamond, for time is literally running out. The moon is coming closer to the earth, caus...

The unknown spy

By Eoin McNamee

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Danny Caulfield's quiet Christmas break from Wilsons Academy, the school for spies, is shattered by gunshots and a heartrending discovery about his parents, and he is called back to Wilsons to prep...

The Ghost Roads

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The nefarious leader of the Ring of Five, Ambrose Longford, is still determined to control both the Upper World and Lower World. But Danny and his friends at Wilson's school for spies stand in his...

The Ring of Five

By Eoin McNamee

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Here's the first book in a brilliant new trilogy by the author of The Navigator. The Ring of Five, set at a school for spies, is full of surprises as well as fascinating questions about loyalty, de...

The Unknown Spy

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Danny Caulfield's quiet Christmas break from Wilsons, the school for spies, is shattered by gunshots and a heartrending discovery about his parents. That same night, he's summoned to Wilsons' to pr...

The Frost Child

By Eoin McNamee

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Owen the Navigator is once again called on to marshall the Resistors and beat back the enemy Harsh in their attempt to take over time.

The Ring of Five

By Eoin McNamee

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The unknown spy

By Eoin McNamee

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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.