Fritz Leiber Books

La Grande caravane

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The burning wreck of a passenger jet with a missing cargo of gold and a desperate plea from a friend lead Tarzan of the Apes deep into intrigue in the jungles of Brazil. Soon the ape-man finds hims...

The Creature from Cleveland Depths

By Fritz Leiber

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Creature from Cleveland Depths, The

By Fritz Leiber

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Swords and Deviltry: Lankhmar Book 1

By Fritz Leiber

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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.