Alex Leaf M.S. Books

Eat for Energy

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A deep dive into the underlying cellular cause of chronic fatigue, burnout, and brain fog, with a framework for restoring cognitive function, alertness, and an abundance of energy.Chronic fatigue,...

Eat For Energy

By Ari Whitten, Alex Leaf M.S., Ari Whitten With Alex Leaf, M.S., Ari Whitten, MS

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Now in paperback, a deep dive into the underlying cellular cause of chronic fatigue, burnout, and brain fog, with a framework for restoring cognitive function, alertness, and an abundance of energy...

Eat for Energy

By Ari Whitten With Alex Leaf M.S.

Average: 0.00, 0 Ratings

A deep dive into the underlying cellular cause of chronic fatigue, burnout, and brain fog, with a framework for restoring cognitive function, alertness, and an abundance of energy.Chronic fatigue,...

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.