Bill Kilday Books

Never Lost Again: The Google Mapping Revolution That Sparked New Industries and Augmented Our Reality

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"Never Lost Again chronicles the evolution of mapping technology--the "overnight success twenty years in the making." Bill Kilday takes us behind the scenes of the tech's development, and introduce...

Never Lost Again

By Bill Kilday

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Our Ten Favorite Sunday School Lessons

By Walter Cross, Glenna Manning, Bill Kilday, Andy Ferguson

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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.