15d us state a tiny bit upset about English thriller writer(9)M?N???O??
16d. improve quality of information on one fellow in test(8)?E???I??
20d. bury it,including money and map(7)I???A??
21d. agreed,not entirely trendy and socially aware(6)???H??
23d.control meeting about hot gas(5)C?A??
thanks in advance