Judith Conaway Books

An adaptation of the nineteenth-century science fiction tale of an electric submarine, its eccentric captain, and the undersea world, which anticipated many of the scientific achievements of the tw...

City crafts from secret cities

By Judith Conaway

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Suggests numerous handicraft projects that introduce the dress, transportation, communication, housing, and recreation from the cities of several ancient civilizations.

20 000 leagues under the sea

By Judith Conaway

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Mysteries of Sherlock Holmes

By Judith Conaway

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Amateur detective Sherlock Holmes, the master of deductive reasoning, solves several mysteries with the aid of his friend, Dr. John Watson.

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.