The purpose of “Engineering Mechanics 1,2,3” is to provide the students in undergraduate courses of mechanical and civil engineering with a clear and complete presentation of engineering mechanics. “Engineering Mechanics 1” (Statics) starts with fundamental terms and definitions, i.e., forces, rigid body, units. Then, two and three dimensional force vectors, the concept of the free body diagram are introduced. In the following chapters, the authors consider the moment of a couple, the moment of a force, different structures like trusses or three-hinged arches, as well as several methods to determine the forces in the members of trusses. More sophisticated structures such as beams, frames and arches and the computation of shear force and bending moment diagrams are analysed . Finally, the mechanical work and the notion of a potential, as well as different kinds of friction are discussed. For each chapter a variety of problems and solutions are given. “Engineering Mechanics 2” deals with elastostatic problems, especially the analysis and design of typical engineering structures. “Engineering Mechanics 3” focuses on kinetic, dynamical and oscillation problems in engineering.