In Book 4 of the MURDER IN MARIN Mysteries: News that elderly Henrietta Hammer has died, Sausalito's retired fifth grade teacher, who once terrified her students including Sheriff's Detective Eddie Austin, newspaper publisher Rob Timmons and his assistant Holly Cross, is greeted with bemused nostalgia. But Hammer, who was left a very wealthy widow by her enterprising late husband, was the target of every one of the...