In the first chapter of the book, each author (or authors) formulates a diagnosis, a trend prognosis, raises visions for change and culminates with reflections on each of the 15 Challenges. At the beginning of each chapter, there is a portrait of the author and his or her message to the reader. The second chapter includes a presentation of the Scenarios towards 2050 and the 45 key factors emanating from the authors' essays, which served as the basis for the experts to formulate the three Scenarios called: "National Plenitude" for the desirable, "Futures Mexico" for the possible and "Agony and Desolation" for the catastrophic. The third chapter includes proposals of Ideas for Guiding Projects, which are the detonators for the redirection of the country towards a better future. The intention is to provide background, inputs, and evidence for the designers, executors, and evaluators of public policies of government bodies at the federal, state, and municipal levels, in their executive, legislative and judicial spheres; scientific, and academic institutions; civil society organizations; and international organizations, so they can act within the framework of an innovative ecosystem for younger generations.