Graham Bell Books

Selection: The Mechanism of Evolution

By Graham Bell

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Database Projects for Advanced Level

By Ian Rendell, Julian Mott

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Database Projects for Advanced Level

By Graham Bell

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The Basics of Selection

By Bell Graham, Graham Bell

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This textbook gives a complete and easy-to-use account of the basic principles governing the central concept of evolutionary theory: selection. It describes how the experimental study of evolution...

Sex and Death in Protozoa

By Bell Graham, Graham Bell

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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.