David J. Schmidly Books

The Mammals of Texas: Revised Edition

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"The Mammals of Texas has been the standard reference since the first edition was authored by William B. Davis in 1947. Revised several times over the succeeding decades, it remains the most author...

Latin American Mammalogy

By Michael A. Mares

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Texas Natural History

By David J. Schmidly

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"One hundred years ago, Texas was very different. A rural population was spread thinly across the eastern and central parts of the state, and vast lands in the western regions were still undisturbe...

The bats of Texas

By David J. Schmidly

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The bats of Texas

By David J. Schmidly

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The mammals of Trans-Pecos Texas

By David J. Schmidly

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Taxonomic Review of the Pallid Bat Antrozous Pallidus

By David J. Schmidly, Chester O. Martin, Judy Bertholf

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The Mammals of Trans Pecos Texas

By David J. Schmidly

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Vernon Bailey

By David J. Schmidly

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Latin American Mammalogy

By Michael A. Mares, David J. Schmidly

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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.