Wayne Simsic Books

Living the Wisdom of St. Francis

By Wayne Simsic

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Praying with John of the Cross Companions for the Journey

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It's been five hundred years since the birth of the great saint and doctor of the Church, Teresa of Ávila, yet her words and wisdom still have the power to leap across the barriers of time and cult...

Praying with Meister Eckhart

By Wayne Simsic

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Natural prayer

By Wayne Simsic

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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.