Frank Lawlis Books

The ADD Answer

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Every year, 17 million new cases of attention deficit disorder, or ADD, are diagnosed inchildren. But medications designed to treat the disorder don’t work for many children andoften leave fa...

Psychoneuroplasticity Protocols for Addictions

By Laura Martinez, Frank Lawlis

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Psychoneuroplasticity Protocols for Addictions

By Laura Martinez, G. Frank Lawlis

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Transforming Depression

By Frank Lawlis, Deborah Rozman, Doc Childre

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Healing Rhythms to Reset Wellness

By Frank Lawlis, Phil McGraw

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Ending the Nightmare of PTSD

By James Miller, George Lindenfeld, Frank Lawlis

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The Add Answer 12-Copy Prepack

By Frank Lawlis

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The Add Answer 6-Copy Counter Display

By Frank Lawlis

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The Stress Answer: Train Your Brain to Conquer Depression and Anxiety in 45 Days

By Frank Lawlis

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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.