Views of the underworld: in situ visualization of soil biota / Karl Ritz -- Modelling soil structure and processes / Kejian Wu and Xiaoxiang Zhang -- Microbial regulation of soil structural dynamics / Claire Chenu and Diego Cosentino -- The zoological generation of soil structure / Mark Bartlett and Karl Ritz -- Biotic regulation: plants / Alain Pierret ... [et al.] -- Biota-mineral interactions / David A.C. Manning -- How do the microhabitats framed by soil structure impact soil bacteria and the processes that they regulate? / Patricia A. Holden -- Fungal growth in soils / R. Michael Miller and Michael S. Fitzsimons -- Sensory ecology in soil space / Iain M. Young and Dmitry Grinev -- Managing the interactions between soil biota and their physical habitat in agroecosystems / Bev D. Kay and Lars J. Munkholm -- Contaminated soils and bioremediation: creation and maintenance of inner space / Richard J.F. Bewley and Simon Hockin -- Biological interactions within soil profiles engineered for sport and amenity use / Mark Bartlett and Iain James.