The proceedings book for Excited QCD 2013 has been published by Acta Physica Polonica B - proceedings supplement:
Online versions of proceedings from the previous editions are also available on the webpage linked above.
http://www.actaphys.uj.edu.pl/_cur/pl/acta_physica_polonica_b_proceedings_suplement/.The book has been mailed to the address you provided upon your registration.
Online versions of proceedings from the previous editions are also available on the webpage linked above.