Douglas Adams Books

The Hitchhiker's Guide to the Galaxy Illustrated Film Tie-In Edition

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One Thursday lunchtime the Earth gets unexpectedly demolished to make way for a new hyperspace bypass. For Arthur Dent, who has only just had his house demolished that moring, this seems already to...

The Hitchhiker s Guide to the Galaxy

By Douglas Adams

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The Hitchhiker's Guide to the Galaxy

By Douglas Adams

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Hitchhiker's Guide to the Galaxy Pack

By Douglas Adams

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The Hitchhiker's Guide to the Galaxy

By Douglas Adams

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Life, the Universe and Everything

By Douglas Adams

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The Restaurant at the End of the Universe

By Douglas Adams

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When all questions of space, time, matter and the nature of being have been resolved, only one question remains -- "Where shall we have dinner?' The Restaurant at the End of the Universe provides t...

Mostly Harmless

By Douglas Adams

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So Long, and Thanks for All the Fish

By Douglas Adams

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The Hitchhiker's Guide to the Galaxy: The Trilogy of Four: A Trilogy in Four Parts

By Douglas Adams

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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.