Sean Callery Books

The Human Race

By Donough O Malley, Sean Callery

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Rugby Focus The Rugby World Cup 2015

By Sean Callery

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I wonder why there s a hole in the sky

By Sean Callery

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The perfect introduction to the environment, featuring melting ice caps, the ozone hole, solar power and much more. Clear, lively text answers all those tricky questions about how the world works,...

The world's rivers and ponds are full of animals looking for food to eat and trying not to be eaten themselves. This book describes the life cycles of eleven animals, how they live and reproduce an...

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.