G. A. Harrison Books

Geomagnetism, Volume 1

By A. Forbes, J. Filloux, R. Langel, G. Harrison, S. Malin

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Human Biology: An introduction to human evolution, variation, growth, and adaptability: An Introduction to Human Evolution, Variation, Growth and Ecology

By P. T. Baker, G. A. Harrison, J. M. Tanner, D. R. Pilbeam

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Structure of Human Populations

By G.Ainsworth Harrison

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Human Biology: An Introduction to Human Evolution, Variation, Growth and Ecology

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Coping with Uncertainty in Food Supply

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Table of Contents Coping with Uncertainty in Food Supply by de Garine, I. (Editor); Harrison, G. Ainsworth (Editor) Terms of Use 1 Seasonal Variations in Food Supply for Wild Primates C.M...

Human variation and natural selection: papers

By G. A. Harrison, D. F. Roberts

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Population Structure and Human Variation

By G. A. Harrison

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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.