Callum Roberts Books

Reef Life

By Callum Roberts

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Reef Life

By Callum Roberts

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Reef Life

By Callum Roberts

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Ocean of Life

By Callum Roberts

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The Ocean of Life

By Callum Roberts

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A Silent Spring for oceans, written by "the Rachel Carson of the fish world" (The New York Times)Who can forget the sense of wonder with which they discovered the creatures of the deep? In this vib...

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.