Acceptable loss / Anne Perry.

Detective and mystery stories. When the body of a small-time crook named Mickey Parfitt washes up on the tide, no one grieves; far from it. But William Monk, commander of the River Police, is puzzled by the expensive silk cravat used to strangle Parfitt. How did this elegant scarf--whose original owner was obviously a man of substance--end up imbedded in the neck of a wharf rat who richly deserved his sordid end? Dockside informers lead Monk to what may be a partial answer--a floating palace of corruption on the Thames managed by Parfitt, where a captive band of half-starved boys are forced to perform vile acts for men willing to pay a high price for midnight pleasures. Although Monk and his fearless wife, Hester, would prefer to pin a medal on Parfitt's killer, duty leads them in another direction--to an unresolved crime from the past, to blackmail and more murder, and to a deadly confrontation with some of the empire's most respected men.