Which author wrote the 'Phryne Fisher' series?

Kerry Greenwood wrote the Phryne Fisher series.

The books follow the Honourable Phryne Fisher, a wealthy, independent private detective working in 1920s Melbourne. She is known for her intelligence, adventurousness, fashion, and refusal to conform to the social expectations placed on women of her era.

The first novel, Cocaine Blues, was published in 1989. In the story, Phryne travels from England to Australia to investigate a suspected domestic problem and soon becomes involved in murder and drug smuggling. Her career as a detective grows from that initial case, eventually taking her through Melbourne’s nightlife, politics, criminal underworld and high society.

Greenwood’s historical mysteries were adapted into the Australian television series Miss Fisher’s Murder Mysteries, starring Essie Davis. The television version made Phryne widely recognizable, but the character originated in Greenwood’s novels. Rhys Bowen, Jacqueline Winspear and Lindsey Davis also write historical mysteries, yet none created Phryne Fisher.