I'm a inexperienced writer, but i read alot of fanfictions of various fandom.

they are mostly BL/yaoi/slash/..

favfandom:
gundam wing (1x2)
harry potter (D/H)

other often visited;
d.n.angel (satoshi/krad)
full metal alchemist (roy/ed)
death note (raito/L)
gravitation
weiss cruz
etc...

few of myfav authors and stories:
SUNHAWK(ion series, road trip series)
Emma Grant (Left my Heart, Surrender the Grey)
A.J Hall (L.O.P)
Chuck Palahniuk (Fight Club, Diary)
J.D Salinger (Catcher in the Rye)
William S. Burroughs (Juncky, Naked Lunch)
and various chinese writers.