Robert S. Hoffmann Books

Mammals of the northern Great Plains

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Mammals of the Soviet Union

By V. G. Geptner

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Lagomorphs

By Robert S. Hoffmann

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Mammals of China

By Andrew T. Smith, Yan Xie, Federico Gemma, Robert S. Hoffmann

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"China's breathtaking diversity of natural habitats--from mountains and deserts to grasslands and lush tropical forests--is home to more than 10 percent of the world's mammal species. This one-of-a...

A Guide to the Mammals of China

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Guide to the Mammals of China

By Andrew T. Smith, Yan Xie, Robert S. Hoffmann, Darrin P. Lunde

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Guide to the Mammals of China

By John MacKinnon, Andrew T. Smith, Don E. Wilson, Robert S. Hoffmann, Darrin P. Lunde

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Lagomorphs

By Robert S. Hoffmann

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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.