Alex Connor Books

The Caravaggio conspiracy

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1608. Michelangelo Merisi da Caravaggio, the greatest Italian painter of his day, is expelled from the Order of the Knights of Malta. Subject to a clandestine hearing, his crime remains a closely g...

Legacy of blood

By Alexandra Connor

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London, 1732. William Hogarth is called to a murder scene. A woman lies dead, her unborn child ripped from her body. It is a warning. Hogarth painted the future King leaving her bed. He must destro...

Memory of Bones

By Alex Connor

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Memory of Bones

By Alex Connor

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Isle of the Dead

By Alex Connor

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Isle of the Dead

By Alexandra Connor

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The other Rembrandt

By Alexandra Connor

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Marshall Ziegler has never been interested in his father's London gallery-until his father is brutally slain. Marshall then discovers that he knew a dark secret at the heart of Rembrandt's life-a s...

The Hogarth Conspiracy A Novel

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Hogarth Conspiracy

By Alex Connor

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Isle of the Dead

By Alex Connor

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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.