Landslide classification and recognition; relation to topography and geology. Site investigations for landslides – the specific issues. Analysis of stability; selection of shear strengths, shear strength of fissured clays; review of limit equilibrium anlaysis, back-analysis; slope stabilization, pre failure deformations of soil slopes. Slope stabilization techniques including geometry change, control of piezometric pressures, anchoring, retaining walls, reinforced soil. Design of slopes in soft clay, including pre-loading, wick drains. Rock slope stability analysis including stereographic methods for planar, wedge and toppling modes. Probabilistic methods in rock slope stability analysis. Rock slope stabilization by anchors, bolts, cables, and drainage. Pre and post failure deformations of excavated rock slopes.