Robert Crossley Books

Olaf Stapledon

By Robert Crossley

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An Olaf Stapledon reader

By Olaf Stapledon

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Olaf Stapledon (1886-1950) - philosopher, novelist, educator, and social activist - had an imagination unlike that of any other author. Along with H. G. Wells he is remembered as one of the most or...

H.G. Wells's perennial Time machine

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We want to live

By Robert CROSSLEY

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The Trinity

By Robert Crossley

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The Trinity

By Robert Crossley

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H.G. Wells

By Robert Crossley

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Fairy

By North Parade Publishing

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Kindred

By Octavia E. Butler, Robert Crossley

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Imagining Mars

By Robert Crossley

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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.