Michael J. Kruger Books

The Early Text of the New Testament

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Christianity at the Crossroads

By Michael J Kruger

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Bully Pulpit

By Michael J. Kruger

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Are churches looking for the wrong kind of leaders? The last decade has witnessed a rising number of churches wrecked by spiritual abuse--harsh, heavy-handed, domineering behavior from those in a p...

Christianity at the Crossroads

By Michael J. Kruger

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The question of canon

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Canon Revisited

By Michael J. Kruger

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Canon Revisited

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A biblical theological introduction to the New Testament

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The Ten Commandments of Progressive Christianity

By Michael J. Kruger, Claton Butcher

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The Ten Commandments of Progressive Christianity

By Michael J. Kruger

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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.