Richard H. Madden Books

The paleontology of Gran Barranca

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"Gran Barranca in Patagonia exposes the most complete sequence of middle Cenozoic paleofaunas in South America. It is the only continuous continental fossil record of the Southern Hemisphere betwee...

Hypsodonty in Mammals

By Richard H. Madden

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Hypsodonty in Mammals

By Richard H. Madden

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Hypsodonty in Mammals

By Richard H. Madden

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Hypsodonty in Mammals

By Richard H. Madden

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Hypsodonty in Mammals

By Richard Madden

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Vertebrate Paleontology in the Neotropics

By John J. Flynn, Richard F. Kay Richard H. Madden Richard L. Cifelli

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Because of its unique geographic and temporal position, the La Venta badlands in central Columbia hold special significance for understanding the evolution of vertebrate faunas in South America. Jo...

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.