The Step on the Stair (Unabridged‪)‬

Green's last published detective novel, The Step on the Stair is typical of her earlier mysteries. Quenton is in love with Orpha, and thinks their marriage has been approved by her guardian. Imagine his shock when her engagement to Edgar is announced. Jealousy rears its ugly head. But then Quenton is made aware of gossip and superstition, which may affect his position in the household. Finding the lost will after their uncle's death could answer all their questions.