Book excerpt: The annual conference on Calorimetry in High Energy Physics is a continuous monitor of the state of the art and new trends in designing, constructing and operating hadron and e.m. calorimeters for high energy physics experiments. The fourth conference included sessions on Read-Out Devices, Front-End, Sampling Calorimeters, DAQ and Trigger, Crystals, Precision Calorimeters, Gas, Solid State and others, Simulation and Radiation Damage