Peter, Paul and Mary is the debut studio album by American folk trio Peter, Paul and Mary, originally released in May 1962. It is one of the rare folk albums to reach No. 1 on the Billboard chart in the US, where it remained for over a month. The lead-off singles "If I Had a Hammer" and "Lemon Tree" reached numbers 10 and 35 respectively on the Billboard Pop Singles chart. It was the group's biggest selling studio album and is featured here on 180g vinyl.