Introduction; Towards a Science of Complex Systems: Bourgine, P.; Kepes, F.; Schoenauer, M.; Bio Inspired Methods; Chemotaxis-Inspired Load Balancing: Canright, G.; Deutsch, A.; Urnes, T.; Elements about the Emergence Issue: A Survey of Emergence Definitions: Deguet, J.; Demazeau, Y.; Magnin, L.; The POEtic Electronic Tissue and Its Role in the Emulation of Large-Scale Biologically Inspired Spiking Neural Networks Models: Mreno, J.M.; Thoma, Y.; Sanchez, E.; Eriksson, J.; Iglesias, J.; Villa, A.; An Electronically Controlled Microfluidic Approach towards Artificial Cells: Tangen, U.; Wagler, P.F.; Chemnitz, S.; Goranovic, G.; Maeke, T.; McCaskill, J.S.; Complex Systems Methods; Message-Passing Algorithms for Non-Linear Nodes and Data Compression: Ciliberti, S.; Mezard, M.; Zecchina, R.; Understanding Fractal Analysis? The Case of Fractal Linguistics: Jelinek, H.F.; Jones, C.L.; Warfel, M.D.; Lucas, C.; Depardieu, C.; Aurel, G.; Ambiguity in Art: Yevin, I.; Information Technology Modelling; Sampling of Networks with Traceroute-Like Probes: Alain Barrat, A.; Alvarez-Hamelin, I.; Dall'Asta, L.; Vazquez, A.; Vespignani, A.; Traffic Dynamics in Scale-Free Networks: Fekete, A.; Vattay, G.; Kocarev, L.; Emergent Group Level Selection in a Peer-to-Peer Network: Hales, D.; Measuring the Dynamical State of the Internet: Large-Scale Network Tomography via the ETOMIC Infrastructure: Simon, G.; Steger, J.; Haga, P.; Csabai, I.; Vattay, G.; Network Modelling; Spreading on Networks: A Topographic View: Canright, G.S.; Enge-Monsen, K.; Lightweight Centrality Measures in Networks under Attack: Georgiadis, G.; Kirousis, L.; Is Selection Optimal for Scale-Free Small Worlds?: Palotai, Zs.; Farkas, Cs.; Lorincz, A.; Correlation Model of Worm Propagation on Scale-Free Networks: Nikoloski, Z.; Deo, N.; Kucera, L.; Author and Subject Index.