This document summarizes the growth and usage of the KDL digital library which offers eBooks, audiobooks, magazines, music and video content for download. It shows that eBook and audiobook downloads are projected to reach 1 million by 2015, with over 36,000 titles currently available. Usage has grown significantly each year, with circulation of digital materials in 2013 projected to surpass the 6.1 million physical items checked out in 2012.