Robertson McQuilkin Books

A solid introduction to the ins and outs of biblical hermeneutics, without the intimidation that often accompanies this subject. With the help of this revised edition, pastors, students and laypers...

Life in the Spirit

By J. Robertson McQuilkin

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In Life in the Spirit, Robertson McQuilkin writes, “The Holy Spirit is the source of our spiritual blessing, the administrator and executive officer of our triune God.” So why do we so often neglec...

The Great Omission

By Robertson McQuilkin

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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.