Cover photo: “big_blue” by Max Iter (Retrieved from www.f lickr.com) Copy editing: Gabriela Marszołek Proofreading: Joanna Zwierzyńska Typesetting: Edward Wilk Copyright © 2017 by Wydawnictwo Uniwersytetu Śląskiego All rights reserved ISSN 2450-5455 (print edition) ISSN 2451-2125 (digital edition) Published by Wydawnictwo Uniwersytetu Śląskiego ul. Bankowa 12B, 40-007 Katowice www.wydawnictwo.us.edu.pl e-mail: wydawus@us.edu.pl First impression. No. of copies: 50 + 20. Printed sheets: 8.0. Publishing sheets: 9.5. Offset paper grade, 90 g. Price 20 zł (+ VAT) Printing and binding „TOTEM.COM.PL Sp. z o.o.” Sp.K. ul. Jacewska 89, 88-100 Inowrocław