Mark Greene Books

The great divide

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"Explores the stifling, pervasive, life-denying impact of the sacred-secular divide on Christian mission and living."--Back cover.

The Little MeToo Book for Men

By Mark Greene

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In just seventy-five brief pages, Good Men Project Senior Editor Mark Greene exposes the brutal price that man box culture extracts from men and women world wide. The Little #MeToo Book for Men is...

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.