The book "Mechanical Systems, Classical Models" by Petre P. Teodorescu offers a comprehensive analysis of classical mechanical models based on the principles of Newtonian mechanics. It addresses both discrete and continuous mechanical systems and highlights the differences between these models. The author provides a detailed examination of the dynamics of rigid bodies with a fixed point and explains the mathematical foundations underlying these models. The connection between classical and non-classical models is also discussed, emphasizing the relevance of Kepler's laws to Newtonian mechanics at low speeds. This specialized book is aimed at students and professionals seeking a deeper understanding of mechanics and its applications in various systems.