Aleksander Zgrzywa,  Kazimierz Choroś, and  Andrzej Siemiński (Eds.) Multimedia and Internet Systems: Theory and Practice     During the last 20 years we have witnessed a rapid development of Multimedia and Network Information Systems. What is even more important, the pace of change does not show any sign of slowing. When we look back we see how many research projects that have originated at various universities or in research facilities are now part of our everyday life. This monograph offers the reader a very broad review of the most recent scientific investigations in that area. The book is a collection of carefully selected and the most representative investigations, solutions, and applications presented by scientific teams from several countries. The content of the monograph has been divided into four parts: 1.  Multimedia Information Technology 2.  Information Systems Specification 3.  Information Systems Applications 4.  Web Systems and Network Technologies The book is aiming to attract more scholars to work on the area of multimedia and Internet applications and to inspire the research community already working on the domain.  .