Author or co-author of several books related to Mathematica:
P. Wellin. Programming with Mathematica: An Introduction. Cambridge University Press, To appear January 2013. http://www.cambridge.org/wellin.
R. Gaylord, S. Kamin, P. Wellin. An Introduction to Programming with Mathematica, 3rd Ed. Cambridge University Press, 2005.
R. Gaylord, P. Wellin. Computer Simulations with Mathematica: Explorations in Complex Physical and Biological Systems. TELOS/Springer-Verlag, 1995.