Cycling is fantastic...I reccomend you look here www.ctc.org.uk/ it's the national cycling charity...they're full of information and advice. Books...it depends on her age...there are lots and some about bike care for kids too.
My DD just learned to ride her bike without her stabilisers. I know nothing about bike riding. Does anyone have a book they can recommend in really simple terms and good pictures explaining road safety, hand signals, and anything else one should know etc??