The Revenge of Radioactive Lady

This lively, intricately plotted, laugh-out-loud funny, and surprisingly touching family drama combines the wit of Carl Hiaasen with the southern charm of Jill McCorkle.
Seventy-seven-year-old Marylou Ahearn is going to kill Dr. Wilson Spriggs come hell or high water. In 1953, he gave her a radioactive cocktail without her consent as part of a secret government study that had horrible consequences. Marylou has been plotting her revenge for fifty years. When she accidentally discovers his whereabouts in Florida, her plans finally snap into action.