New York Times bestselling author Marc Shapiro has written more than 60 nonfiction celebrity biographies, more than two-dozen comic books, numerous short stories and poetry, and three short form screenplays. He is also a veteran freelance entertainment journalist. His young adult book JK Rowling: The Wizard Behind Harry Potter was on The New York Times bestseller list for four straight weeks. His fact-based book Total Titanic was also on The Los Angeles Times bestseller list for four weeks. Justin Bieber: The Fever was on the nationwide Canadian bestseller list for several weeks. Shapiro has written books on such personalities as Shonda Rhimes, George Harrison, Carlos Santana, Annette Funicello, Lorde, Lindsay Johan, E.L. James, Jamie Dornan, Dakota Johnson, Adele and countless others. He also co-authored the autobiography of mixed martial arts fighter Tito Ortiz, This Is Gonna Hurt: The Life of a Mixed Martial Arts Champion. He is currently working on a biography of the rock group Greta Van Fleet as well as updating his biographies of Gillian Anderson and Lucy Lawless for Riverdale Avenue Books.