Self PH. D. E., Charles Books

The Divine Dance: Enjoying The Life Of God

By Charles E. Self PH. D., Charles E. Self, Self PH. D. E., Charles

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The Divine Dance is the first popular work by a fresh thought leader. These brief essays are a distillation of Charlie's two decades of business, educational and spiritual leadership. At its heart,...

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.

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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.