Table of Contents: F.C. Billari et al.: Agent-based Computational Modelling: An Introduction * A. Pyka, T. Grebel: Agent-based Modelling - A Methodology for the Analysis of Qualitative Development Processes * M. Franke et al.: On the Analysis of Asymmetric Directed Communication Structures in Electronic Election Markets * M. Murphy: The Role of Assortative Mating on Population Growth in Contemporary Developed Societies * B. Aparicio Diaz, T. Fent: An Agent-based Simulation Model of Age-at-Marriage Norms * M.A. Burke, F. Heiland: The Strength of Social Interactions and Obesity among Women * V. Grimm, S.F. Railsback: Agent-based Models in Ecology: Patterns and Alternative Theories of Adaptive Behaviour * E. Gebetsroither et al.: Agent-based Modelling of Self-organisation Processes to Support Adaptive Forest Management * R. Conte et al.: Vampire Bats and The Micro-Macro Link * B. Edmonds: How Are Physical and Social Spaces Related?- Cognitive Agents as the Necessary "Glue" * J. Doran: Agent Design for Agent-based Modelling.