Roxby Press Books

Christopher Columbus

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The life and times of Christopher Columbus recreated in photographs. Describes his four voyages to the New World, his activities there and discusses the sources of information about him. Suggested...

Knights in armour

By John D. Clare

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Pyramids of ancient Egypt

By John D. Clare

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Vikings

By John D. Clare

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Describes the daily life and customs of the Vikings and examines their many roles as farmers, traders, exploreres, raiders, colonizers, and mercenaries.

I Was There in Classical Greece I Was There

By Roxby Press

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I Was There in the Medieval World

By Roxby Press Staff

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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.