Retired from politics, Arnold Schwarzenegger is taking a leaf out of his "Expendables" buddy Sylvester Stallone's book and setting out to prove that he can still kick butt at 65.

CNN: STORY HIGHLIGHTS

One of the writers of US comedy Beavis and Butt-head is among 18 authors shortlisted for this year's Waterstones children's book prize.

BBC: Beavis and Butthead writer up for children's book prize