David Wishart Books

Finished business

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November, AD 40. When a wealthy consul's wife asks Corvinus to investigate the death of her uncle, killed by a block of falling masonry during renovations on his estate in the Vatican Hills, a scep...

Foreign bodies

By David Wishart

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"June, AD42. The emperor Claudius himself has requested Corvinus's help in investigating the murder of a Gallic wine merchant, stabbed to death as he was taking an afternoon nap in his summer-house...

Trade Secrets

By David Wishart

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Foreign Bodies

By David Wishart

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Solid Citizens

By David Wishart

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White Murder

By David Wishart

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Last Rites

By David Wishart

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Whiskey Classified

By David Wishart

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Whisky classified

By Wishart David Dr

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Ovid Felony Mayhem Mysteries Marcus Corvinus Mysteries

By David Wishart

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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.