TASI 2014 : journeys through the precision frontier : amplitudes for collider : proceedings of the 2014 Theoretical Advanced Study Institute in Elementary Particle Physics Boulder Colorado 2 27 June 2014 Introduction to QCD T. Gehrmann A brief introduction to modern amplitude methods L. Dixon Experimental methods at the LHC A. Korytov QCD on the lattice: the central role of effective field theory A.X. El Khadra Introduction to parton shower event generators S. Höche TASI lectures on flavor physics Z. Ligeti Amplitudes in n = 4 super Yang Mills theory M. Spradlin Applied holography C. Herzog Physics beyond the standard model at colliders K. Matchev Mathematical aspects of scattering amplitudes C. Duhr Gauge and gravity amplitude relations J.J. Carrasco The hunt for dark matter G. Gelmini TASI 2014 participants