Mark Sisson Books

The Keto Reset Diet

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NEW YORK TIMES BESTSELLER • Mark Sisson unveils his groundbreaking ketogenic diet plan that resets your metabolism in 21 days so you can burn fat forever. “Sisson masterfu...

The Keto Reset Instant Pot Cookbook

By Layla McGowan, Mark Sisson With Lindsay Taylor

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75 quick and easy electric pressure cooker recipes, authorized by Instant Pot®, for anyone on a ketogenic eating plan—from New York Times bestselling author Mark SissonIf you want a...

Keto for Life

By Mark Sisson With Brad Kearns

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From the health expert and New York Times bestselling author of The Keto Reset Diet comes a groundbreaking ketogenic eating and lifestyle plan tailored for longevity, health, and happiness. At age...

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.