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A geodesic is a curve that its tangent is §transported parallel with it. In this monograph it §is explained how geodesics are classified, described §methods of finding solutions of equations by which §geodesics are governed, and illustrated orbits §derived on the basis of these solutions. In this §book null, space-like and time-like geodesics are §studied in the case of the space-times of §Schwarzschild, Reissner-Nordstr"om and Kerr black §holes. A thorough treatment of the space-like §geodesics of the Schwarzschild solutions has been §given. These geodesics are the trajectories of §Tachyons (faster than light particles) and are §treated in a~complete manner. This has been done by §obtaining exact solutions and solving them §numerically. All solutions for geodesics for a §Reissner-Nordstr"om black hole have been given in §complete detail, i.e. time-like, null and space-like§ geodesics and orbit of a charged particle. §Equatorial geodesics of all three types of the Kerr §black holes are considered ( slow Kerr , extreme §Kerr , and fast Kerr ), and few examples of orbits §out of equator are here, too.