Philip Ketchum Books

Before the dawn the settlers crowded into the one house still standing and counted their dead. There were pitifully few of them left, even including the women and children. And the canyon was alive...

Bretwalda

By Philip Ketchum, V. E. Pyles

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Renegade range

By Philip Ketchum

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Sam Holloway is out to get Linus Coleman, threatening the prospector and taking over his father's ranch. Can Coleman prevail against the man who would run the town?

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.