The field, the mean and the meaning / Peter Hoyng -- Fast dynamos / David Galloway -- On the theory of convection in the Earth's core / Stanislav Braginsky and Paul H. Roberts -- Dynamo action of magnetostrophic waves / Dieter Schmitt -- Magnetic flux tubes and the dynamo problem / Manfred Sch¿ssler and Antonio Ferriz-Mas -- Physics of the solar cycle / G¿nther R¿diger and Rainer Arlt -- Highly supercritical convection in strong magnetic fields / Keith Julien, Edgar Knobloch and Steve Tobias -- Thin aspect ratio [alpha][omega]-dynamos in galactic discs and stellar shells / Andrew M. Soward -- Computational aspects of astrophysical MHD and turbulence / Axel Brandenburg -- Topological quantities in magnetohydrodynamics / Mitchell A. Berger.