Adele's 21 appears well on course to surpass 10 million US sales imminently as it returns to the Billboard 200's Top 10 after a six-week absence.

The album has now sold 9.9 million copies in the US, adding another 21,000 to its tally last week to lift it 15-9 on the weekly countdown, according to Nielsen SoundScan. Its Top 10 reappearance comes despite weekly sales dropping 5% and Adele's new single Skyfall, which is not on the album, making a ...