1a Character created by Boz-weightless like Uriah Heep. ????l?. Mr Google tells me that Boz was another name for Charles Dickens and that Uriah Heep was a character in David Copperfield but no idea how that leads to the answer.
10a Mountainous region today with dead end stopping girl ????d???a . Macedonia seems to fit but I can't see where "today" and the girl fit in. I guess the d comes from dead end.
28a Row about limited edition -from nine to five, say? r?????I?n. No idea
Thanks