Smithsonian Institute’s Museum Conservation Institute (MCI) is pleased to announce the second in the series of the Smithsonian Contribution to Museum Conservation, “Biocolonization of Stone: Control and Preventive Methods: Proceedings from the MCI Workshop Series” is now officially published. The full-volume PDF is available from: http://www.scholarlypress.si.edu/index.cfm or http://si-pddr.si.edu/dspace/handle/10088/16617.