Paul Calver Books

The Visual Dictionary of Cars

By Nicola Liddiard

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Puppies

By Gunzi Christiane Warren Photographic

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Fearless women

By Toby Reynolds

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Discover stories about women who stood up for what they believed in and changed the world for the better. Includes Rosa Parks, Malala Yousafzai, Irena Sendler, Marie Curie, Jane Goodall, Indira Gan...

Unsung heroes

By Toby Reynolds

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Each entry in this riveting book explores the many ways that these individuals had an extraordinary impact on life on our planet, coming from all four corners of the globe, all walks of life, and a...

Extreme Earth

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"Volcanoes, earthquakes, deserts, and hurricanes are just some of the incredible natural wonders you will find inside this exciting book. Find out where and when these natural phenomena occur, whic...

Ocean Life

By Toby Reynolds, Paul Calver

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Predators

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Rainforests

By Reynolds Toby Calver Paul

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Insects and Spiders

By Toby Reynolds, Paul Calver

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Rocks Crystals and Gems

By Toby Reynolds, Paul Calver

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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.