Help with tiddlers please.
8d Sound of a French river, we hear(4) S*N*
15a Mechanical rods rotating (4) S*U*
16aRight start in life for a popular writer(4)***O
Does this last one begin with S? The other 4 letter clue in the grid 21d does. My usual blind spot with tiddlers.
15a I can see. Guns are rotating rods and it’s a reversal. I need a bit more convincing with the other two. Is there a pun I am missing with sane? The r in biro is the start of right but why is bio popular? Sorry to be a meanie.