Early-bird registration for JCDL 2013 has been extended to June 5. Register online at http://www.regonline.com/JCDL2013. Rates available at http://jcdl2013.org/registration. The full program is available at http://jcdl2013.sched.org/. The ACM/IEEE Joint Conference on Digital Libraries is a major international forum focusing on digital libraries and associated technical, practical, organizational, and social issues, taking place in Indianapolis, Indiana, USA on July 22-26, 2013. The theme for JCDL 2013 is "Digital Libraries at the Crossroads," in recognition of our location (Indiana is known as the Crossroads of America) and in recognition of the changes forthcoming from the age of mass digitization, big data, and the ever changing nature of scholarly communications. Program Highlights: * 3 outstanding keynote speakers: Jill Cousins, Clifford Lynch, and David de Roure. More information at: http://jcdl2013.org/keynotespeakers; * 6 workshops covering topics such as data and software preservation, digital scholarship, research methods and artifacts preservation, web archiving, mining publications, and CURATEcamp. More information at http://jcdl2013.org/workshops; * 6 tutorials on topics including Europeana data model & collections, ResourceSync, Introduction to Digital Libraries, building collections with Greenstone, mining data semantics, and using open annotation. More information at http://jcdl2013.org/tutorials; * A diverse range of papers - 28 full papers and 22 short papers. More information at http://jcdl2013.org/papers; * And much more, including posters and demonstrations. More information at http://jcdl2013.org/posters-demonstrations. Indianapolis is a wonderful conference city friendly to both walkers and cyclists, with many dining, entertainment, and sports options accessible from the downtown area. Check out the visitors guide developed for ACRL 2013: http://conference.acrl.org/indy-pages-163.php. More JCDL travel details are available at http://jcdl2013.org/travel.