Gerald L. Holmes Books

Murder in the Middle Pasture

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When a calf is murdered, Hank, a wily cowdog and head of ranch security, pursues a gang of wild dogs and a clan of coyotes to find the killer.

The Case of the Booby-Trapped Pickup

By Jean Little

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Hank and Drover are excited when a quick nap in the back of Slim's pickup turns into a trip to town. But the excitement turns to drama when they find themselves at the livestock show-and Drover dec...

The case of the vampire vacuum sweeper

By John R. Erickson

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In his own modest way, Hank the Cowdog recounts how he barely escaped crazy Slim and his tail-eating vacuum sweeper and single-handedly saved the ranch from a huge catastrophe.

The disappearance of Drover

By Jean Little

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The Case of the Booby Trapped Pick Up 49

By Jean Little

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Hank the Cowdog 04

By Jean Little

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Original Adventures of Hank the Cowdog

By Gerald L. Holmes, John R. Erickson

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Let Sleeping Dogs Lie Hank the Cowdog 6

By Jean Little, Gerald L. Holmes

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Hank the Cowdog

By Jean Little

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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.