Laurence David Books

Beetle boy

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When Gregory wakes up one day as a beetle, he is pretty upset. But what is more upsetting is that nobody notices! Neither his mother, father, nor teacher notice. Only his best friend Michael realis...

The River Prayer

By Laurence David

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The Window Song

By Laurence David, Cathy David

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Beetle Boy

By Laurence David, David Lawrence

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River Dream

By Laurence David, Cathy David, Carol Maras

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River Dream

By Laurence David, Cathy David, Carol Maras

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Window Song

By Laurence David, Cathy David

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Winding Path

By Laurence David, Cathy David

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River Prayer

By Laurence David, Cathy David

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River Prayer

By Laurence David, Cathy David

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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.