Johnnie Human Books

John the Baptist, forerunner of Jesus

By Jim Padgett, Johnnie Human

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Relates the career of John the Baptist whose preaching predicted the coming of the Messiah.

Finlay and Julia Graham

By Johnnie Human

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Describes the work of Finlay and Julia Graham, missionaries in the Middle East, discussing the events leading up to their call to missions.

Let's explore Baptist beliefs

By Johnnie Human

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Let's explore Baptist beliefs

By Johnnie Human

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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.