The intellectual alertness, the tenacity and perseverance in taking the ideas and theses presented to their ultimate consequences, the constant effort to establish relationships and connections, the continuous reference to empirical data and observational records to support the arguments presented, in short, the passion for knowledge that impregnates the book from the first to the last page, promise not only an enriching and constructive dialogue, but also a lively, stimulating and pleasant one. These are not, as readers know from experience, usual or minor qualities of books dealing with psychology and education.