David Gerrold Books

Bouncing off the moon

By David Gerrold

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Leaping to the stars

By David Gerrold

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Charles Dingillian learns that the Lunar Authority is threatening to cancel all interstellar launches to the colonies and decides to smuggle himself and his family out on a starship, along with the...

Jumping off the planet

By David Gerrold

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The World of Star Trek

By David Gerrold

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Discusses the Star Trek phenomenon, the people involved in its creation, special effects, etc. Includes interviews with the stars of the series.

Chess with a dragon.

By David Gerrold

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Starhunt

By David Gerrold

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Space Skimmer

By David Gerrold

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Chess with a dragon.

By David Gerrold

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Taking the red pill

By Glenn Yeffeth, David Gerrold

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Protostars

By Gene Szafran, David Gerrold

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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.