Fritz Leiber Books

The green millennium

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"The Green Millenium is set in a futuristic human society based on our own. The regimented, regulated and bureaucratized lifestyle led by the misanthropic Phil Gish leaves him feeling vaguely dissa...

Big Time annotated

By Fritz Leiber

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Big Time Illustrated

By Fritz Leiber

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No Great Magic

By Fritz Leiber

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Big Time Annotated

By Fritz Leiber

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Pail of Air

By Fritz Leiber

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Big Time

By Fritz Leiber

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Big Time

By Fritz Leiber

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Creature from Cleveland Depths

By Fritz Leiber

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No Great Magic

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.