Book excerpt: 1. Prof. Masahiro Wakatani and fusion research in his days / K. Itoh. Magnetic relaxation and self-organization in astrophysical and laboratory plasmas. 2. An introduction to mean field dynamo theory / D. W. Hughes and S. M. Tobias. 3. Origin, structure and stability of astrophysical MHD jets / P.-Y. Longaretti -- Turbulence and turbulent transport - the agents of relaxation and structure formation. 4. A tutorial on basic concepts in MHD turbulence and turbulent transport / P. H. Diamond, S.-I. Itoh and K. Itoh. 5. Intermittency like phenomena in plasma turbulence / A. Das, P. Kaw and R. Jha. 6. Nonlinear cascades and spatial structure of magnetohydrodynamic turbulence / W.-C. Müller and R. Grappin. 7. Scale covariance and scale-ratio covariance in turbulent front propagation / A. Pocheau -- Transport bifurcations and relaxation. 8. Transport barrier relaxations in tokamak edge plasmas / P. Beyer. 9. Dynamics of edge localized modes / X. Garbet ... [et al.]. 10. On the onset of collapse events in toroidal plasmas turbulence trigger / K. Itoh ... [et al.].