Michael A. Flannery Books

Civil War pharmacy

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The first comprehensive examination of pharmaceutical practice and drug provision during the Civil War. The author examines the drugs that were used, who provided and prepared them, and how they we...

John Uri Lloyd

By Michael A. Flannery

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Nature s Prophet

By Michael A. Flannery

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Civil War Pharmacy

By Michael A. Flannery

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Well Satisfied with My Position

By Michael A. Flannery, Katherine H. Oomens

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Civil War Pharmacy

By Michael A. Flannery, Margaret Humphreys

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English Physician

By Michael A. Flannery, Nicholas Culpeper

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Nature s Prophet

By Michael A. Flannery

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English Physician

By Michael A. Flannery, Nicholas Culpeper

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Alfred Russel Wallace

By Michael A. Flannery

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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.