Lesley Glaister Books

Honour thy father.

By Lesley Glaister

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Limestone and clay

By Lesley Glaister

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As Far as You Can Go

By Lesley Glaister

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Nina Todd has gone

By Lesley Glaister

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Sheer blue bliss

By Lesley Glaister

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Thirty years after she first painted it, Connie & her portrait of lost lover Patrick Mount, have been swept into London by the National Portrait Gallery. While in another part of the city a disturb...

The private parts of women

By Lesley Glaister

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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.