MD Frederic Flach Books

Rickie

By MD Frederic Flach, Frederic F. Flach

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Take Command Learning Systems 16 audio cassette boxed set

By MD Frederic Flach

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The Secret Strength of Angels

By Frederic Flach MD KCHS Foreword By Janice T. Connell

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The perfect gift for the Angels in your life. A book to be treasured forever.Personal protectors…divine messengers…pure spirit…seraphim and cherubim…agents of God. We...

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.