Christopher Stasheff Books

Techno troubleshooter Tony Ricci’s latest challenge is to debug the computers at the marketing firm of Rodrigo and Associates. Pages of Biblical text have been appearing on every terminal thr...

Here be Monsters

By Christopher Stasheff

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A family that slays together stays together.   Love is in the air as the planet of Gramarye gets ready to celebrate the weddings of Geoffrey, Cordelia, and Gregory Gallowglass all at once. But...

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.