Giles Sparrow Books

This ultimate guide to Mars launches 7 to 9 year olds on a breathtaking journey through the past, present, and future of the Red Planet.This spectacular reference book for children aged 7-9 explore...

Earth and the inner planets

By Giles Sparrow

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"Meet the planets that are nearest the Sun. These include Mercury, whose surface is blasted by the solar furnace, and Venus, with its thick atmosphere of poisonous gas. We will also visit Mars, wit...

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.