She was just practicing 'Liberty Bell' from her grade II book (not one of the pieces she'd done for the exam, obv) - and said she really liked just playing random tunes she knew - at christmas she plays for pleasure a lot as she has a collection of carols. So, looking for recognisable melodies, something to play for fun. (she's just found Eidleweiss in the grade one book 
)
Its quite hard to work out from online searches what the level/content of books is.
Any recommendations please?