Sách nói: The Silent Bullet

The many adventures of Professor Craig Kennedy were chronicled by Arthur B. Reeve (October 15, 1880 - August 9, 1936). Reeve was an American mystery writer who created 82 Craig Kennedy mystery stories. The stories have a very Sherlock Holmes type feel, In fact Kennedy has been referred to as the "American Shelock Holmes". Along with his reporter friend, Walter Jameson, Kennedy solves many crimes and unveils mysteries using science.

Each story features a facinating look at life in the early 20th century, and even includes some action along the way.