Joe Haldeman Books

Forever Peace

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2043 A.D.: The Ngumi War rages. A burned-out soldier and his scientist lover discover a secret that could put the universe back to square one. And it is not terrifying. It is tempting...

The Accidental Time Machine

By Joe Haldeman

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From the acclaimed author of Marsbound comes a mind-bending sci-fi adventure that will have you questioning the very fabric of time itselfStruggling grad school dropout Matt Fuller is toi...

Earthbound

By Joe Haldeman

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"One of science fiction's most reliable practitioners" (San Francisco Chronicle) continues his saga of space exploration. The mysterious alien Others have prohibited humans from space travel-des...

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.