Bill Wallace Books

Red Dog

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In the rugged Wyoming territory, the red pup is Adam's best friend. When three cutthroat gold prospectors hold the family at gunpoint, Adam escapes, but the red pup could lead the men right to him.

Danger on Panther Peak

By Wallace Bill, Bill Wallace

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When his grandfather is injured, a young boy must go get help even though there is a panther prowling in the neighborhood. There hadn't been a panther on Panther Peak in decades. But the year the B...

Beauty Rack Size

By Bill Wallace

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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.