Experimental and theoretical studies of the dynamics of the hydrogen exchange reaction - the maturation of a prototype, J.J.Valentini and D.L.Phillips; vibrational excitation in biomolecular reactions, I.W.M.Smith; association reactions, J.W.Davies and M.J.Pilling; transition state theory rate constants for association reactions without potential energy barriers, W.L.Hase and D.M.Wardlaw; recent studies of collisional energy transfer in vibrationally highly excited molecules in the ground electronic state, H.Hippler and J.Troe; biomolecular collisions involving electronically excited alkaline earth atoms, D.Husain and G.Roberts; studies of the reaction of metal clusters, M.F.Jarrold; laser probing of ion collisions in drift fields - state excitation, velocity distribution and alignment effects, S.R.Leone.