HIGHLAND GAMES, number ten in Annis Ward Jackson's Rachel Myers Murder Mystery series, finds amateur sleuth Rachel Myers tired and weary from overseeing a new wing that's being added to the retirement center where she is administrator. And she hasn't been sleeping well. Then her attention is diverted by a more disturbing problem -- her inexplicable forgetfulness The possibility of early senility or Alzhiemers occur to Myers but Detective Robert Burnett suggests that she is the victim of a stalker. Detective Burnett moves in to help Myers come to terms with the problem and identify the culprit before the plot takes a more violent turn