Barbara A. Sullivan Books

First Born, Second Born

By Barbara A. Sullivan

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The Delicate Balance of a Woman's Self-Image

By Barbara A. Sullivan

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Gods Ground Force

By Barbara Sullivan

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"The true story of Spirit of God Fellowship, a small church that reached out in obedience to God's call. Through Restoration Ministries it oversees more than thirty inner-city outreaches, all run b...

A page a day for Lent 1985

By Barbara A. Sullivan

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Learning to Speak English

By Barbara Sullivan

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Learning to Speak English

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LEARNING TO SPEAK ENGLISH FARSI

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Learning to Speak English

By Barbara Sullivan

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Learning to Speak English

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The control trap

By Barbara A. Sullivan

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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.