The Professionals / Robert B. Parker / 289 pages / November Challenge Deceased Authors

Attorney Elizabeth Shaw, who specializes in wills and trusts at a Boston law firm, comes to Spencer with a most unusual request.  She has become friends with wives of very wealthy men and four of these wives share a secret.  They are,or have been, lovers of one Gary Eisenhower.  Mr. Eisenhower is now blackmailing them to keep their secrets.  Shaw wants Spencer to make Eisenhower go away...by whatever means necessary.  Spencer, being Spencer, succeeds, of course, but not without several surprises and clever plot twists.