A Detective at Death's Door
H.R.F. Keating Audio Book

Whilst relaxing with her husband at the Majestic pool one hot August bank holiday, Harriet Martens does not expect the refreshing glass of Campari soda at her side to conceal a deadly drug. When she awakes from a doze she is no longer by the water, but in a hospital bed recovering from a near fatal dose of Aconitine. As Harriet makes a slow recovery, she tries to come to terms with the fact that someone wanted to kill her...