Who is Elsie Hawkins from The Rocky Road to Romance and what is their importance?

Elsie Hawkins and her Cadillac make another appearance in a novel by this author. Once again, she is a feisty, older woman who refuses to let society tell her to slow down. This time, she appears as Daisy's body guard. Elsie took a security course by mail, while recuperating in the nursing home following hip replacement surgery. It was there that Elsie met Daisy Adams. When questioned about her past love life, Elsie tells of Gus, the man who left her the Cadillac when he passed away. Elsie apprehended a drug dealer in the Cadillac in the novel Back to the Bedroom, by the same author.