Joe Haldeman Books

Old Twentieth

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The twentieth century lies hundreds of years in humanity’s past. But the near-immortal citizens of the future yearn for the good old days—when people’s bodies were susceptible to death through dise...

Marsbound

By Joe Haldeman

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Young Carmen Dula and her family are about to embark on the adventure of a lifetime--they're going to Mars. Once on the Red Planet, however, Carmen realizes things are not so different from Earth....

Marsbound

By Joe Haldeman

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Young Carmen Dula and her family are embarking on the adventure of a lifetime-they're going to Mars. But Carmen's rebellious streak leads her to venture out into the bleak Mars landscape alone, whe...

Starbound

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Carmen Dula and her husband spent six years travelling to the distant home of the powerful race known as "The Others," in the hopes of forging a truce. But by the time Carmen returns to Earth, fift...

Earthbound

By Joe Haldeman

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There Is No Darkness

By Joe Haldeman, Jack C. Haldeman

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Forever War

By Robert Graham

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Forever Peace

By Robert Graham

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Forever Free

By Robert Graham

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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.