New Horizons in Time Domain Astronomy : proceedings of the 285th Symposium of the International Astronomical Union held in Oxford, United Kingdom, September 19-23, 2011

Introduction Foreword 1. Can our data meet the challenges? 2. Explosive or irreversible changes 3. Things that tick 4. Irregular and aperiodic changes 5. Preparing for the future Workshop reports Poster papers Author index.