Ground to a halt - need help here please: 10 across Father of Kim as US novelist O?A?A Absolutely no idea; 26 across A face visible every day on the New York subway but hardly ever in the TLS H?L?E?!?A - the last letter is depends on ETRUSCANS being correct for 17 down ( DHL called at their place - and this was the only thing that fitted in) ALSO I have SHUDDER for 20 across Virgil's "Horresco referens" might be this modern type of quote (S?U?D??) am I correct? and lastly I have 28 across as KOOKS (specifically of the moon - K?O?S) again am I correct?