William R. Sanford Books

The kangaroos

By William R. Sanford

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Discusses kangaroos, their habits, habitat, life cycle, desirability to man, and problems they face in staying alive.

Buffalo Bill Cody

By William R. Sanford

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Calamity Jane

By William R. Sanford

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The African rhinos

By William R. Sanford

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Discusses the rhinoceroses of Africa, particularly the white and black rhinoceroses, and one particular effort in Texas to conserve this endangered species.

The African lion

By Carl R. Green

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Describes the physical characteristics, habitat, and behavior of the king of beasts.

Davy Crockett

By William R. Sanford

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Relates the true story of Davy Crockett, one of the Old West's outstanding hunters, frontiersmen, and legislators.

The elephant seal

By William R. Sanford

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An introduction to the physical characteristics, habits, and natural environment of the elephant seal.

John C. Fremont

By William R. Sanford

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The giant panda

By Carl R. Green

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Discusses the characteristics and behavior of the giant panda, one of the world's best-loved wild animals.

Kit Carson

By William R. Sanford

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The life of Kit Carson, legendary scout, mountain man, and Indian fighter of the Old West.

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.