Part I Morphology: the emplacement of silicic lava flows and associated hazards, Jonathan H. Fink; the blocky andesitic lava flows of Arenal volcano, Costa Rica, Scott R. Linneman & Andrea Borgia; aa lavas of Mount Etna, Sicily, Christopher R.J. Kilburn & John E. Guest; extraterrestrial lava flows, Rosaly M.C. Lopes-Gautier. Part II Monitoring: field observation of active lava in Hawaii - some practical considerations, Robert I. Tilling & Donald W. Peterson; measuring the properties of flowing lavas, Harry Pinkerton; convection heat transfer rates in molten lava, Harry C. Hardee; remote sensing of active lava, David A. Rothery & David C. Pieri. Part III Modelling: modelling the rheology and cooling of lava flows, Michele Dragoni; lava crusts, aa flow lengthening and the pahoehoe-aa transition, Christopher R.J. Kilburn; thermal feedback mechanisms and their potential influence on the emplacement of lavas, Harry C. Hardee; cellular automata methods for modelling lava flows - simulation of the 1986-1987 eruption, Mount Etna, Sicily, D. Barca, et al; a short introduction to continuum mechanics, S/oren-Aksel S/orensen. Part IV Mediating: interactions between scientists, civil authorities and the public at hazardous volcanoes, Donald W. Peterson & Robert I. Tilling.