Keith Sagar Books

Princess and other stories.

By David Herbert Lawrence

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Sons and Lovers Twentieth Century Classics

By David Herbert Lawrence, Keith Sagar

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D H Lawrence - Poems

By David Herbert Lawrence

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Includes information on author and playwright D.H. Lawrence such as a chronology of his life, a chronology of his writings, a checklist of his reading, calendar and maps of his travel, bibliography...

A D.H. Lawrence Handbook

By Keith Sagar

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The life of D. H. Lawrence

By Keith M. Sagar

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The life of D.H. Lawrence

By Keith M Sagar

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The life of D.H. Lawrence

By Keith Sagar

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The Letters of D. H. Lawrence The Cambridge Edition of the Letters of D. H. Lawrence

By David Herbert Lawrence

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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.