Desmond Leslie Books

How Britain won the space race

By Desmond Leslie

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Flying saucers have landed

By Desmond Leslie

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Flying saucers have landed

By Desmond Leslie

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Speculation on the origins of flying saucers and their historical role in ancient writings. Mr. Adamski also describes his encounter with a being from another planet.

The Jesus file

By Desmond Leslie

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Flying Saucers Have Landed

By George Adamski, Desmond Leslie

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Gray Barker s Book of Adamski

By Michael Mann, George Adamski, Alice Wells, Desmond Leslie, Gray Barker

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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.