Jason Lillis PhD Books

The Diet Trap: Feed Your Psychological Needs And End The Weight Loss Struggle Using Acceptance And Commitment Therapy

By Jason Lillis, JoAnne Dahl PhD, Jason Lillis PhD, Sandra M. Weineland PhD, Lillis PhD, Jason, Dahl PhD, JoAnne, Weineland PhD, Sandra M.

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"Have you tried every diet or weight loss plan under the sun, but still can't manage to lose weight and keep it off? You aren't alone. Each year, Americans spend billions of dollars on weight-loss...

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.