Jefferson County Public Library is the third largest public library in the state of Colorado. Our mission is to meet the changing needs of our communities by providing information and environments that promote personal growth and community transformation. A JCPL library card is the smartest card in your wallet, giving you access to a network of 10 libraries, a Bookmobile, a Traveling Children's Library and eTrain, a mobile computer training lab, as well as books, periodicals, CDs and DVDs, and computer and Internet resources. For more information contact your local library or visit www.jeffcolibrary.org.