Help please, stuck on top r.h. corner (tried the search, but nothing later than 2008 comes up!). 6d Private Eye-backed Archer novel includes good bit more on top: s?r?f???? (not sure about the f). 16a Tender a*se - cry out, having injection of bnew drug rearwards: 8 letters, starts with c. Grateful as ever for your assistance.