3d) Know-how is dominant? There's intelligence here too (6)
10a) Urban guy possesses head of Minerva in bronze (8)
12d) Thump misbehaving brother, having ten away ruler (5)
13a) 'Heart of Beauty' by Roth? Its not right for him (6)
15a) Burst in stirrup - top comes off, tension moves to jheel (6)
Apology for no letters. All help much appreciated