Rabbi Reisman is a renowned maggid shiur at Mesivta Torah Vodaathis Navi lectures are broadcast to dozens of cities, and are watched and heard by thousands.This book transfers Rabbi Reisman's wizadry to the printed page and the result is a masterpiece. The first part of the book, he looks and human nature , and what he sees is optimistic and uplifting. The second part of the book he teaches us about the calender to the Siddur to astronomy. He teaches us things we will want to use everyday, and he doues it with clarity and accuracy.