The 99 Day Challenge provides a step-by-step program guided journal and the fundamental lessons of self-mastery that will help you to achieve anything from diets, fitness challenges, new entrepreneur goals and reach your true purpose. Dennis van der Heijden shows you how to take control of your life using scientifically proven effective strategies and techniques for mastering your goals, perspective on life, your body, your relationships and your life with gratitude. The guided journal is a daily checklist, with the aim to spend a couple of minutes every morning and a couple of minutes every...