At this Obergurgl seminar, theoreticians and experimentalists discussed recent developments in laser interactions. This volume contains the texts of invited lectures and abstracts of contributed papers. The main topics discussed are: * multiphoton ionization * above-threshold ionization * collisions in strong fields * atoms in intense fields * chaos in radiative interactions * electron correlations in multiphoton processes * Rydberg atoms in external fields * other laser interactions. Thus a broad and up-to-date account of laser interactions is given which will be of interest to scientists, engineers and graduate students.