I'm a huge james patterson fan, I also like harlan cohben. Those are my two faves. However you cannot count dean koontz out. He is sometimes more difficult for me to read due to his numberous characters, but a good read if you can stay focused
My faves of james patterson are his series involving the womens murder club ( ie 1rst to die, 2nd chance, 3rd degree, 4th of july, 5th horseman, 6th target, 7th heaven, 8th confession, 9th judgement, 10th anniversay)
the quickie
the postcard killers
and the honeymoon were also good reads
he also has his alex cross series
harlen cohben his series featuring myron bolitar