What you should write about is something you know a lot about. It's no use writing about "mystery" if you do not know how to captivate an audience.
:uhhuh:
What are your thoughts on the Alex Rider series:
-Stormbreaker
-Point Blanc
-Skeleton Key
-Eagle Strike
-Scorpia
-Ark Angel
-Snakehead
Personally, it is a enjoyable, exciting, captivating read about a teenage "superspy".