Robinson, Spider Books

Off The Wall At Callahan'S

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A collection of epigrams, maxims, proverbs, observations, eye-watering puns, and original song lyrics distilled from the first five volumes of the Callahan's Place series (from Callahan's Crosstime...

Callahan's Legacy

By Spider Robinson

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The Free Lunch

By Spider Robinson

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Stardance

By Spider Robinson

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Time Pressure

By Spider Robinson

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Stardance

By Jeanne Robinson, Spider Robinson

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Mindkiller

By Spider Robinson

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Antinomy

By Copyright Paperback Collection (Library Of Congress), Spider Robinson, Robinson, Spider

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HALF AN OAF - If you're buying a time machine, don't go to a discount house! SATAN'S CHILDREN - One way to save the world is to blow its mind. THE MAGNIFICENT CONSPIRACY - A free lunch is always th...

The Callahan Touch

By Spider Robinson

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Callahan s Lady

By Spider Robinson

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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.