Peter is the author of the books Let's Put on a Musical!: How to Choose the Right Show for Your School, Community or Professional Theater, Broadway Musicals: the Biggest Hit and the Biggest Flop of the Season, 1959 to 2009, Broadway MVPs 1960-2010: The Most Valuable Players of the Past 50 Seasons, Strippers, Showgirls and Sharks: A Very Opinionated History of the Broadway Musicals that Did Not Win the Tony Award, and The Great Parade: Broadway's Astonishing, Never-to-Be-Forgotten 1963-1964 Season. At the beginning of his career, Filichia was a columnist for Seventeen and wrote books for teenagers.