The product is a comprehensive annual edition of the RSMeans Plumbing Cost Data 2009, authored by RSMeans. This paperback book provides essential information on plumbing costs in English language. With a focus on plumbing topics, this book serves as a valuable resource for those interested in understanding and estimating plumbing costs for various projects. The RSMeans Plumbing Cost Data 2009 is a reliable tool for professionals and individuals looking to make informed decisions in the plumbing industry.