"The Poisoned Pen" by Arthur B. Reeve is a collection of 12 adventurous stories featuring Professor Craig Kennedy who investigates.The titles include:1. The Poisoned Pen - Craig Kennedy, along with Senator Adrian Willard, conducts an investigation to prove Dr. Dixon's innocence in the killing of actress Vera Lytton.2. The Yeggman - The president of Standard Burglary Insurance Company approaches Professor Kennedy for assistance in the case of the looted Branford pearls and the murder of a maid.3. The Firebug - Fire Marshall McCormick appears to believe a firebug is to blame for a sequence of dangerous fires in the business district and would like Kennedy to catch the man who has also managed to kill six people in all of these flames.