Dave Earley Books

Find out why so many people enjoy Dave Earley's writing with The 21 Most Effective Prayers Collection. Dave wrote The 21 Most Effective Prayers of the Bible in 2005and produced four follow-up books...

21 Most Dangerous Questions of the Bible

By Dave Earley

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21 most effective prayers of the bible

By Dave Earley

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21 Most Effective Prayers of the Bible speaks to believers of all ages, backgrounds, and maturity levels with an uplifting message: that the prayers of the Bible are prayers for us today. Not an ex...

21 Reasons Bad Things Happen to Good Peo

By Dave Earley

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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.