A collection of writings on the ASR's (Aimed Solar Returns, that is the so-called "aimed birthdays"), a technique that forms the foundation of the Active Astrology, the school founded by the Author, which gathers hundreds of followers, not only in Italy. Mr. Discepolo reviews the most frequent doubts and objections of those who begin putting in practice this technique, and he tries to answer the many questions that this subject can certainly arouse, especially among the non-experts. This text is enriched with several practical cases that give concrete examples to the theories exposed.