*FrontMatter, pg. i*Contents, pg. 1*Fractal geometry: what is it, and what does it do ?, pg. 3*Fractals, phase transitions and criticality, pg. 17*Fractals and phase separation, pg. 35*Experiments on the structure and vibrations of fractal solids, pg. 55*Universality of fractal aggregates as probed by light scattering, pg. 71*Light-scattering studies of aggregation, pg. 89*Time-series analysis, pg. 103*Diffusion-controlled growth, pg. 123*Diffusion-limited aggregation, pg. 133*Electrodeposition in support: concentration gradients, an ohmic model and the genesis of branching fractals, pg. 149*Flow through porous media: limits of fractal patterns, pg. 159*Fractal BET and FHH theories of adsorption: a comparative study, pg. 169*Reactions in and on fractal media, pg. 189