Peril at Blackstone — J.H. Rhodes

Fearless, independent Kelly Morgan was always ready to meet new challenges. But her self confidence quickly turned to terror when she became a temporary secretary to charming Emory Dearborn at his mansion. For Blackstone was a place of dire warnings, family conflicts, and suspicious accidents. Soon it became clear that Kelly's very life was in danger there, but she had no idea who her enemy was. It could have been almost anyone staying at the house, including Emory Dearborn's two attractive, hostile sons -- or even glamorous Clare Boswell, who thought of Kelly as a rival.

From the start, Kelly knew her job would last only four weeks. Would she still be alive when the month was over?

Takes place in Indiana