i won some book tokens from school too and i bought "Law's Empire" by Ronald Dworkin-about Jurisprudence and is interesting and suprisingly readable. Also, judging from its many appearances on reading lists, "Learning the Law" by Glanville Williams (in its 12th edition now) is useful. im reading it at the moment and its not too difficult although kinda boring at times
a good fiction book would be "the Da Vinci Code" as im sure anyone who has read it would agree!