A Gleam of Sapphire — Diana Tower

Was there an escape from her legacy of glittering death?

Invitation to Terror

The terms of the will had been specific. Kathryn had to spend at least three months of the year at Hamilton House to claim her inheritance; spend three month among the viperous relations who envied and coveted her legacy and who offered no credence to the terrors that stormed her nights.

But this time when Kathryn returned, she had brought along her friend Joyce, someone she trusted, someone who could convince her that she was not going mad. Only Kathryn hadn't counted on the malevolence of the magnificent Hamilton sapphire--nor the fact that she'd unwittingly drawn the one person who could save her into a horrifying abyss of death...

SAPPHIRE--THE SEPTEMBER BIRTHSTONE--Luminously blue, symbolic of truth in love and a just destiny