Seconding Dealing with Dragons & any Tamora Pierce series (though I don't know how comfortable the parents would be with the whole "Alanna sleeps with 2 guys at once" thing)
also The Westing House
maybe the Redwall series? Not really female-centric but I loved those books as a kid.
no subject
also The Westing House
maybe the Redwall series? Not really female-centric but I loved those books as a kid.