Mark Sisson Books

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...

Duatlon Entrenamiento y Competicion

By Mark Sisson

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The 21-Day Total Body Transformation: A Complete Step-by-Step Gene Reprogramming Action Plan

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The Primal Blueprint Quick and Easy Cookbook: Over 100 delicious recipes for effortless weight loss and vibrant health

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The Primal Blueprint 21-Day Total Body Transformation: A Step-By-Step, Gene Reprogramming Action Plan

By Mark Sisson

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Primal Blueprint author Mark Sisson presents a fun, easy-to-follow, practical guidebook to help you "get Primal" in only 21 days. First, you'll learn eight Key Concepts that represent the most imp...

Primal Blueprint 90day Journal A Personal Experiment

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Primal Blueprint Healthy Sauces Dressings Toppings

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The Keto Reset Diet

By Mark Sisson With Brad Kearns

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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...

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.