1963/64 season Denis Law scored 46 goals in a season.
Deniol Graham.
Rooney i fink
In history, Bobby Charlton.
In 2009 it was Robin van persie.
As at 6-Jan-2010, Arsenal's leading goalscorer is Cesc Fàbregas with 12 goals from 22 appearances.
Ross MacCormack with 9 goals so far
Chelsea, Arsenal,Liverpool ( In EPL)
Sir Bobby Charlton
He was never a prolific goalscorer, but he did do a good job at holding the ball and allowing a strike partner to put several in the net. This was until he moved to Australia, where he was the top goalscorer for his debut season.
Paul Scholes is currently the top English goalscorer in the Champions League.
Paul scholes
Benzima