Textbook: Applied Nonparametric Statistics, 2nd edition by Wayne Daniel.
Recommended software
1. Resampling Stats. A limited Excel add-in student version is available free:
http://www.resample.com/download/demos/RSXLInstWin2.exe (Windows)
http://www.resample.com/download/demos/RSXLInstMac2.hqx (Mac)
An online user's guide is available: http://www.resample.com/content/software/excel/userguide/index.shtml2. SAS. Available on UNCG network; also available free for home use: http://its.uncg.edu/Research/SAS/Grant/