1. J.R. Koza, Genetic Programming: On the Programming of Computers by Means of Natural Selection (MIT Press, Cambridge, MA, 1992)
2. J.R. Koza, Genetic Programming II: Automatic Discovery of Reusable Programs (MIT Press, Cambridge MA, May 1994)
3. W. Banzhaf, P. Nordin, R.E. Keller, F.D. Francone, Genetic Programming—An Introduction; On the Automatic Evolution of Computer Programs and its Applications (Morgan Kaufmann, San Francisco, CA, 1998)
4. W.B. Langdon, R. Poli, Foundations of Genetic Programming (Springer, Berlin, 2002)
5. R. Poli, W.B. Langdon, N.F. McPhee, A field guide to genetic programming (2008). Published via http://lulu.com and freely available at http://www.gp-field-guide.org.uk (with contributions by J. R. Koza).