The volume presents a broad coverage of this timely subject. The work is up-to-date and detailed enough to constitute a fine reference for experimental as well as for theoretical physicists, but also maintains an informative pedagogical tone so that it can serve as the basis for a modern course on the subject.Major sections include fundamentals of particle physics with results from accelerator experiments, the particle-cosmology interface, neutrino physics, large scale searches for proton decay and for exotic matter in the universe, neutrino astronomy, the physics of cosmic rays and gamma ray astronomy. A portion of the volume deals with facilities and instrumentation for particle astrophysics and on data acquisition.