A double alphabet offering, so need few more before can start filling the grids: beginning with W - A pious Irish exclamation signifying "alas", now used mockingly (11) first letter I - Mountain range...
Could someone who has finished Essex Man give me a tip, please, as to the six squares to be shaded a la Our Hero. Realise who he is and have filled the grid but been staring blankly. Many tks.
2d Footwear series author's heroine of tetralogy (5) G?M?A
23a They are in they aren't and they ain't (8) S???O?E?
(Tantalus has got me more tantalised than usual this week) Many tks...