This valuable three volume set of publications contains vital information from throughout the world on landslide and slope instability problems.Every four years the worlds leading scientists and engineers dealing with landslides, have the opportunity to meet up and engage in the exchange of ideas and experiences at a symposium run under the auspices of ISSMGE Technical Committee 11. These volumes, taken from the 8th symposium in the series, detail investigations into landslide causes, mechanisms and hazards, together with accounts of monitoring and mapping.