Joe Haldeman Books

The Accidental Time Machine

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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 toiling as a...

After spending six years travelling to a distant solar system that is home to the enigmatic, powerful race known as "The Others," in the hopes of finding enough common purpose between their species...

Body armor

By Joe Haldeman

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Body Armor

By Joe Haldeman

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Dealing in Futures

By Joe Haldeman

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Orion s Sword Future at War Book 3

By Reginald Bretnor

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Nebula Award Stories 17 Nebula Award Stories

By Joe Haldeman

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Supertanks

By Joe Haldeman

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There Is No Darkness

By Joe Haldeman, Jack C. Haldeman

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Worlds Apart

By Joe Haldeman

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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.