Jerry Pournelle Books

Destinies The Paperback Magazine of Science Fiction and Speculative Fact Summer 1980 Vol. 2 No. 3

By James Baen

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The Endless Frontier

By Jerry Pournelle

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The Endless Frontier Vol. 1

By Jerry Pournelle

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The Endless Frontier

By Jerry Pournelle

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Exiles to glory

By Jerry Pournelle

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Exiles to Glory is a science fiction novella by American writer Jerry Pournelle, published in 1978. It is a sequel to the stories in the collection High Justice. As with those stories, it weaves th...

Exiles To Glory

By Jerry Pournelle

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Janissaries

By Jerry Pournelle

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JANISSARIES. Signed by the author.

By Jerry Pournelle

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Janissaries

By Jerry Pournelle

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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.