one tied up mystery

Detective Thomas was on his first case.He found the strangest clue any detective would probably ever find.He was a very intelligent detective, even more intelligent then Sherlock Holmes.Anyways the clue was really odd riddle.The riddle said I am at heir of the throne in the room with the most stories. The detective thought right away that the crook was in the library of the kingdom of England. TO BE CONTINUED..........