Seems particularly difficult today!!
Can you assist with these please?
9 across Very old writer lived rough touring Austria (8 letters) --D-E-A-
15 down Journo looked after north, certainly not 29 (9 letters) H-C-N----(29 is ORIGINAL)
18 down Bill's on board flight to find adventure (8 letters) -S-A----
20 down Small room for short instrument (4 letters) C-L-