the project No one can dispute this important premise: "It is convenient to learn from the experts", from those who live by exactly what they profess. It would be unbrilliant to ignore what someone knows in depth and, even worse, if they are willing or willing to share it generously with us. On this particular occasion, we can assure you that we have not overlooked his wise advice or displays of exemplary conduct. On the contrary! We have reviewed, studied and reflected on everything that they try to teach us every day. Who are we referring to? What lessons are we talking about exactly? Of those that intelligently show us every day the flowers and plants that inhabit our planet. These ingenious and amazing organisms live their lives to the fullest, so we humbly dedicate this colorful edition of The Yellow Book to them.