Give her these:
http://www.bikexprt.com/streetsmarts/usa/index.htm
http://www.floridabicycle.org/rights...mfromfear.html
http://www.floridabicycle.org/rights/farright.html
http://www.kenkifer.com/bikepages/health/risks.htm

And there are some safety and bio-mechanics articles mixed in with these:
http://sheldonbrown.com/articles.html
Such as:
http://sheldonbrown.com/reflectors.html
http://sheldonbrown.com/pain.html

There's plenty more information on all this stuff on the 'net.