Donald E. Messer Books

Calling church & seminary into the 21st century

By Donald E. Messer

Average: 0.00, 0 Ratings

A Conspiracy of Goodness: Contemporary Images of Christian Mission

By Donald E. Messer

Average: 0.00, 0 Ratings

Caught in the Crossfire

By Sally B. Geis

Average: 0.00, 0 Ratings

Evangelism Action Pac

By Donald E. Messer, Herb Miller

Average: 0.00, 0 Ratings

Breaking the conspiracy of silence

By Donald E. Messer

Average: 0.00, 0 Ratings

More than twenty years into the global AIDS pandemic, the efforts of Christian congregations and denominations have been less than minimal. This book is aimed to awaken Christian compassion in the...

Send Me

By Donald E. Messer

Average: 0.00, 0 Ratings

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.