writers still perform their craft, legally and illegally, on walls throughout the city. Philadelphia has thriving non-profits in all areas of community service. Books Through Bars, which collects books to distribute at prisons, started in Philadelphia. Philadelphia is home to one of the largest National Network for Abortion Funds (NNAF) and the Women's Medical Fund. Philly Fellows, started in 2005, have been focusing efforts on "building capacity in the non-profit sector." Philadelphia also has important faith-based organizations. Annual fairs and events Philadelphia holds many annual festivals and events. One of the most famous is the Mummers Parade. The first modern version of the parade was held in 1901 and is held every year on New Year's Day. The Saint Patrick's Day Parade, which is popular with the city's large Irish population, is the second oldest parade in the United States. There is also the annual Puerto Rican Day Parade, held in the city for over 50 years. Since 1993 every summer around the July 4th holiday, the multi-day Welcome America event celebrates Philadelphia as the birthplace of the United States. Three major annual shows in Philadelphia are the Philadelphia Flower Show in March, the Philadelphia International Auto Show in February and the Philadelphia Antiques Show in April. Major events include the Greek Picnic, a reunion and celebration of African American college fraternities and sororities. Another event, the Wing Bowl is an eating contest started in 1993. Festivals include the Philadelphia Folk Festival and Unity Day an event celebrating unity between people and families. PrideFest events promote LGBT rights. In September, the 16-day Philadelphia Live Arts Festival and Philly Fringe highlights experimental art, performances and exhibits throughout the city. Philadelphia in fiction The city has been featured in literature, film and television. One of the first novels set in Philadelphia was 1845's The Quaker City, or The Monks of Monk Hall by George Lippard Based on real 1843 events and depicting seduction and violence, the novel sold 60,000 copies in less than a year. Other novels set entirely or partially in the city include John Edgar Wideman's Philadelphia Fire: A Novel, the Old Philadelphia Mystery book series, and Jonathan Franzen's The Corrections. The 2006 anthology Philly Fiction included 19 short stories set in Philadelphia by modern authors. Among Philadelphia's iconic films is Rocky, filmed largely in the city. Others include Philadelphia, a film about AIDS discrimination; and two films set in