Cliff Johnston Books

Isaiah, messenger for God

By Fred Heifner

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Tells how Isaiah began prophesying for God.

Judges and kings

By William N. McElrath

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Presents accounts of the lives of six Old Testament leaders: Gideon, Samson, Solomon, Joash, Hezekiah, and Josiah. Discussion questions accompany each selection.

Joshua Poole Hated School

By Cliff Johnston, David R. Collins

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Joshua's opinion of school changes when his teacher asks him to teach the class for one hour.

Joshua Poole and Sunrise

By David R. Collins

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When his uncle decides to sell Sunrise, a young boy searches for a way to keep the horse at the riding stables.

Always With You

By Cliff Johnston

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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.