That Mainwaring Affair - Anna Maynard BARBOUR

As wealthy financier, Hugh Mainwaring dictates his last will and testament to his private secretary, it would be impossible for him to imagine the shocking chain of events that he is about to set into motion. This best-selling mystery novel was first published in 1901 and remains an entertaining mix of detective work, courtroom drama and family intrigue. (Summary by J. M. Smallheer)