KEITH M. SAGAR Books

D. H. Lawrence, a calendar of his works

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In a recent interview Hughes said, 'one of the great problems that poetry works at is to renew life, renew the poet's own life, and, by implication, renew the life of the people, if they can respon...

The challenge of Ted Hughes

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The life of D.H. Lawrence

By Keith Sagar

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The Art of D. H. Lawrence

By Keith Sagar

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The Achievement of Ted Hughes

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Princess and the Sun

By Svend Otto S., Bjarne Reuter, Svend S. Otto

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D.H. Lawrence

By Keith M. Sagar

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The Laughter of Foxes

By Keith Sagar

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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.