David A. E. Shephard Books

Island doctor

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"Dr. John Mackieson practiced medicine in Prince Edward Island from 1821 to 1885. Island Doctor offers an intimate look at the work of this "ordinary" physician and a fascinating glimpse of the pra...

The Royal College of Physicians and Surgeons of Canada, 1960-1980

By David A. E. Shephard

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John Snow

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Challenging Genetic Determinism

By Louis Maheu, Roderick A. Macdonald

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Island Doctor

By David A. E. Shephard

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From craft to specialty

By David A. E. Shephard, David Shephard

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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.