1: Its a firm, small lettuce (3)
2: Certain deaths caused by swinging moods (5)
3: Poet or old king on crest (9)
5: Zoom back from the deeps (5)
8: Turning up to follow bashful rodent (5)
9: First Fleet diarist-cum-swimmer (5)
11: Neil lost a letter and ended up with nothing (3)
13: Reportedly is nostalgic for wife (3)