Margaret Connolly Books

It isn't Easy

By Margaret Connolly

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Contemplations of the Dread and Love of God

By Margaret Connolly

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Life Story of Orison Swett Marden

By Margaret Connolly

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Capital allowances

By Margaret Connolly

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Manuscripts in the University Library Cambridge Dd Oo

By Margaret Connolly

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Cambridge University Library's two-letter collection (Dd-Oo) includes just over 1000 medieval western manuscripts, and amongst these may be found examples of every type of Middle English prose comp...

Capital Tax Acts 1999 2000

By Tom Boland, Margaret Connolly

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John Shirley

By Margaret Connolly

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The Design and Distribution of Late Medieval Manuscripts and Texts in England Manuscript Culture in the British Isles

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The Middle English Mirror

By Robert De Gretham

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Insular Books: Vernacular manuscript miscellanies in late medieval Britain

By Raluca Radulescu, Margaret Connolly

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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.