Paul Rockett Books

Mapping Asia Mapping the Continents

By Paul Rockett

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Mapping Australia and Oceania and Antarctica

By Paul Rockett

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Mapping Australia and Oceania and Antarctica

By Paul Rockett

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Seven quintillion, five hundred quadrillion grains of sand on planet Earth

By Paul Rockett

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You can count numbers all around you, from the eight legs on a spider to the one nose on your face. But can you count the stars in the sky or the fish in the Amazon? Find out all about PLANET EARTH...

70 thousand million million stars in space

By Paul Rockett

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You can count numbers all around you, from the eight legs on a spider to the one nose on your face. But can you count the stars in the sky or measure the temperature of the Sun. Explore Space - fro...

30 million different insects in the rainforest

By Paul Rockett

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You can count numbers all around you, from the eight legs on a spider to the one nose on your face. But can you count the animal species found in the rainforest or the fish in the River Amazon? Fin...

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.