Edgar William Books

Reasons of the Heart

By William Edgar

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Defined By What I Do or Who I Am What Makes Me Me

By Edgar William

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Covenantal Apologetics

By William Edgar, K. Scott Oliphint

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Covenantal Apologetics: Principles And Practice In Defense Of Our Faith

By Edgar William, K.Scott Oliphint, Oliphint, K. Scott

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Defending the faith can be daunting, and a well-reasoned and biblically grounded apologetic is essential for the challenge. Following in the footsteps of groundbreaking apologist Cornelius Van Til,...

Covenantal Apologetics

By William Edgar, K. Scott Oliphint

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Covenantal Apologetics

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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.