George R. Zug Books

Herpetology: An Introductory Biology of Amphibians and Reptiles

By George R. Zug

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Herpetology: An Introductory Biology of Amphibians and Reptiles

By Janalee P. Caldwell, Laurie J. Vitt, George R. Zug

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Reptiles and Amphibians of the Pacific Islands A Comprehensive Guide

By George R. Zug

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"The Pacific is not only the world's largest body of water; its vast expanse also includes an extraordinary number and diversity of oceanic islands - From Palau and the Marianas east of the Philipp...

Introduction to herpetology

By Coleman Jett Goin

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Age determination in turtles

By George R. Zug

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Lizards of Fiji

By George R. Zug

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Sea turtles of the Georgia coast

By Carol Ruckdeschel

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Snakes in question

By Carl H. Ernst

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SNAKES IN QUESTION

By ZUG GEORGE R

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Smithsonian Answer Book

By Carl H. Ernst, George R. Zug

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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.