Paul Gilster Books

Finding it on the Internet

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It's common knowledge that the Internet - with its gigabytes of text and graphics files, its thousands of databases and software programs - is the world's largest and fastest-growing storehouse of...

Digital Literacy isn't a book about how to get around the Internet. That ground has been amply covered. Digital Literacy provides Internet novices with the basic thinking skills and core competenci...

The Internet navigator

By Paul Gilster

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Centauri Dreams

By Paul Gilster

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Why, today, would anyone undertake a plan to launch a spacecraft some 30 years in the future, and on a journey that would take some 40 years to complete? Paul Gilster investigates the science, and...

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.