M. A. Nielsen and I. L. Chuang, Quantum Computation and Quantum Information (Cambridge University Press, 2000).
J. Stolze and D. Suter, Quantum Computing—A Short Course from Theory to Experiment, 2nd edition (Wiley VCH, 2008).
J. Preskill, Lecture notes, available at http://www.theory.caltech.edu/ ∼preskill/ph219/index.html#lecture