Stuck in SW corner ...consequently can't fill in the unclued 56a......and the highlighting required.. there is an extra letter in the wordplay... 50d Hang pleb in short uprising (3) LO? "R" possibly...
There are misprints in some clues ...also some clashes in the grid....so crossers may not help.. 1a Does poorly after accompanist's treated (8) 10a Greek nymph briefly goes back after a coloured hat...
7d Late German author's wife with boring story about a detective's wife in danger (5,6,4) G?A?S / ?I???S / ?A?E 20a A writer of drama, mostly gritty, died in a Cheshire town (9) ??E???A?E possibly...
1a A 19th century novel in which an editor's contributions are more evident than usual (6,8)
?????R , ?E?????S
26a Roaring Forties voyage in a nautical novel 5,2,7
?????, ??, ?A???G?...