John Florio and Ouisie Shapiro are the authors of Marked Man: Frank Serpico’s Inside Battle Against Police Corruption. Their previous books include Doomed, War in the Ring, One Nation Under Baseball, and One Punch from the Promised Land. They also write for The New York Times, The New Yorker, The Atlantic, The Nation, and ESPN. John and Ouisie are married and live in Brooklyn, NY.

John Florio

John is the author of the historical crime novels, Sugar Pop Moon and Blind Moon Alley. He holds an MFA from the University of Southern Maine, an MA from New York University, an MBA from St. John’s University, and he is currently pursuing a DFA at the University of Glasgow. John is on the faculty of the Stonecoast MFA creative writing program at the University of Southern Maine.

Ouisie Shapiro

Ouisie is a six-time Emmy award-winning writer/producer of sports documentaries. Her TV credits include ESPN’s Playing for the Mob, and HBO’s Dare to Dream, Breaking the Huddle, and Nine Innings from Ground Zero. She is the author of three children’s books (Batter Up!, Autism & Me, and Bullying & Me), and holds an MA in journalism from New York University.