The author of the book “Dead Certain” is Adam Mitzner. The book is a legal thriller. The story is about Ella Broden, she is a lawyer by day and a singer by night. Her sister Charlotte, is a novelist, and when she goes missing, Ella investigates with the help of detective Gabriel Velasquez. Ella discovers that the novel that Charlotte has may contain details about her real life, which thickens the plot.