Recording double-digit gains for the sixth week in a row, album sales reached a new 2007 high last week, at 4,332,590. That's a 22.2% increase over the previous week, and is more than were sold in some two week periods earlier in the year but its well over a million down on the comparable week's sales of 5,537,721 recorded exactly two years ago.

Remaining atop the artist album chart for a third week, third season X Factor winner Leona Lewis' ...