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These lectures are designed to introduce the methods and results of large N_cQCD in a presentation intended for nuclear and particle physicists alike.Beginning with definitions and motivations of the approach, we demonstrate thatall quark and gluon Feynman diagrams are organized into classes based on powersof 1/N_c. We then show that this result can be translated into definitestatements about mesons and baryons containing arbitrary numbers ofconstituents. In the mesons, numerous well-known phenomenological propertiesfollow as immediate consequences of simply counting powers of N_c, while forthe baryons, quantitative large N_c analyses of masses and other properties areseen to agree with experiment, even when ``large'' N_c is set equal to itsobserved value of 3. Large N_c reasoning is also used to explain some simplefeatures of nuclear interactions.Comment: 34 pages, 14 eps figures, latex (revtex), uses epsf. Lectures  presented at 11th Indian-Summer School of Nuclear Physics, Charles  University, Prague, September, 1998; to appear in Czech J. Phy

Phenomenology of Large N_c QCD