1: Excerpt from selection in 'The Ultimate Life of a Cat,' perhaps (5)
4: Taint corrupted giant (5)
7: What's left when you burn the tree (3)
9: Why give someone a ticking off? (4,3)
11: Slangily, hip old English author (5)
12: Chosen few travelled on with conductor (9)
13: Mechanical worker pushing start button in the depths of the plant (5)
15: Writer deserts pea-green match (5)
16: Television show genre is like this each time (4,5)
18: Nationals eating spy? Gross! (9)
24: Columbine takes stage during repeated Iolanthe opening, in blue-green (9)
25: Content little rest for the painter (5)
26: Bad blood from taking head off to slay William (3,4)
27: Sprinted fleetly? (3)
28: Discover treasure hiding in plain sight (5)
29: Drunk held firmly (5)