Sally Spray Books

Spacecraft Awesome Engineering

By Sally Spray

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Awesome engineering skyscrapers

By Sally Spray

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Follow the development of skyscrapers, as they have grown taller and taller, and more fantastical through engineering skill, design and ambition.

Awesome engineering spacecraft

By Sally Spray

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Follow the developments of spacecrafts, as they have got more advanced, have travelled further and helped us explore the universe through engineering skill, design and ambition.

Awesome Engineering Skyscrapers

By Sally Spray

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Awesome Engineering Fairground Rides

By Sally Spray

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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.