Foreword. Stellar rotation, dynamo, electromagnetic braking, age and lithium burning. The origin of the galactic magnetic field. Random flow as a fast dynamo. Parity selection in nonlinear dynamos. Convective turbulent dynamos without rotation. Fast dynamo action in three-dimensional chaotic maps. Plasma turbulence resulting from the interaction between the solar wind and the earth's magnetic field. Kelvin-Helmholtz instability: Non-linear evolution. Flux transfer events - The results of three dimensional time-dependent magnetic reconnection. On the origin of solar wind turbulence: Helios data revisited. Observation and simulation of MHD turbulence in the solar wind. Nearly incompressible MHD turbulence in the solar wind. Quasi-two-dimensional nearly-incompressible solar wind fluctuations. Generation of fine-scale structure in the solar magnetic field. Rapid excitation of higher harmonic waves in the parametric instability of Alfvén waves. Simulation of MHD-convection as a test for mean field theories. Non-linear dynamics and relaxation phenomena in reversed field pinch plasmas. The dynamics of current channels with large self-generated magnetic fields. Turbulent MHD relaxation: Driven, steady states. A trigger for the internal (q=1) disruption model. A turbulent sawtooth disruption model. On the existence, structure and stability of MHD equilibrium states. The topology of field lines. From exact solutions in MHD to chaos. Isolated magnetohydrodynamic eddies moving in a rotating thin sperical shell. Magnetic field lines reconnection in MDH turbulence. Small scale dynamics of an incompressible MHD flow. Decay of fully developed anisotropic MHD turbulence. Turbulent relaxation in compressible two-dimensional magnetohydrodynamics. Simulation of magnetohydrodynamics using cellular automata: Initial results. Spiral structures in two-dimensional Navier-Stokes flows. Isocirculation flows. Generation of large scale structures by anisotropic kinetic alpha effect. Author Index. Subject Index. Contributors: J. Andreoletti, J. Bamber, B.J. Bayly, G. Belmont, M.A. Berger, A. Brandenburg, V. Carbone, G. Chanteur, H. Chen, S. Childress, J.L. Collett, M.A. Dubois, U. Frisch, W. Gekelman, S. Ghosh, A.D. Gilbert, M.L. Goldstein, R. Grappin, M. Hoshino, L.W. Klein, A.J. Klimas, F. Krause, R. Kulsrud, Y.-Q. Lou, R.L. Lysak, A. Mangeney, E. Marsch, W.H. Matthaeus, M. Meneguzzi, Z. Mikic, H.K. Moffatt, D. Montgomery, Å. Nordlund, S. Ortolani, H. Pfister, H. Politano, A. Pouquet, P. Pulkkinen, D.A. Roberts, A. Roux, A.A. Ruzmaikin, E. Schatzman, D.D. Schnack, H. Scholl, Z.S. She, D.D. Sokoloff, Y. Song, R.F. Stein, R.L. Stenzel, P.L. Sulem, K. Tsinganos, I. Tuominen, G. Van Hoven, P. Veltri, Y. Zhou.