Stephen Gallagher Books

Down River

By Alfred E. Goodman, Stephen Gallagher

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Oktober

By Stephen Gallagher

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The Kingdom of Bones: A Novel

By Stephen Gallagher

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The Bedlam Detective

By Stephen Gallagher

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Madmen may see monsters – but some monsters hide in plain sight From a basement office in London’s notorious Bethlehem Hospital, former policeman and Pinkerton agent, Sebastian Becker investigates...

Chimera

By Stephen Gallagher

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Nightmare, with angel

By Steve Gallagher

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Nightmare, with angel

By Stephen Gallagher

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Red, red robin

By Stephen Gallagher

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Though Tim Hagan appears wistful and sweet, beneath his polite veneer and boyishly handsome face lies a rage as deep as the ocean, and a conflict as sharp as a dagger. He needs a woman to save him...

Nightmare with Angel

By Stephen Gallagher

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Red Red Robin

By Stephen Gallagher

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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.