Douglas Adams Books

Life The Universe and Everything

By Douglas Adams

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The Hitchhiker s Trilogy

By Douglas Adams

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The Meaning of Liff

By John Lloyd, Douglas Adams

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In life and, indeed, in liff, there are many hundreds of common experiences, feelings, situations and even objects which we all know and recognize, but for which no words exist. This text uses plac...

So Long and Thanks for All the Fish

By Douglas Adams

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Further adventures of Arthur Dent, Ford Prefect, and the all new voidoid gang upon returning to Earth after eight years of crazed wanderings around the galaxy in this science fiction spoof which co...

So Long and Thanks for All Fish

By Crown

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The original Hitchhiker radio scripts

By Douglas Adams

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The hitchhiker's quartet

By Douglas Adams

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Mostly Harmless

By Douglas Adams

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Last chance to see

By Douglas Adams

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The Deeper Meaning of Liff

By Douglas Adams, John Lloyd Undifferentiated

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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.