Part 1 Reminiscences and comparisons: personal recollections on Michail Kalecki, Nicholas Kaldor; Kalecki and Robinson, A.Asimakopulos; Michail Kalecki and the General Theory, Don Patinkin; the legacies of Kalecki and Keynes, George R.Feiwel; long period perspectives on unemployment in Kalecki and in Keynes, Mario Sebastiani. Part 2 Microfoundations and the theory of distribution: Kalecki's quest for the microeconomic foundations of his macroeconomic theory, Alberto Chilosi; methodological implications of Kalecki's microfoundations, Peter Kriesler; class struggle and the income distribution in the Kaleckian theory, Bruno Jossa; the rate of profit in Kalecki's theory, Edward Nell; effective demand and the rate of profits - some thoughts on Marx, Kalecki and Sraffa, Fernando Vianello. Part 3 Savings, investment and money: savings, investment and finance in Kalecki's theory, J.A.Kregel; some aspects of Kalecki's theory of profits, its relationship to Marx's schemes of reproduction, Claudio Sardoni; Kalecki and fiscal policy, Ruggero Paladini; the principle of increasing risk versus the marginal efficiency of capital, Ferdinardo Meacci. Part 4 Trend and business cycle: Kalecki's economic dynamics - a personal view, R.M.Goodwin; some notes on the second version of Kalecki's business cycle theory, Serena Sordi; Kalecki's economics and explanations of the economic crisis, Malcolm C.Sawyer; reflections on Kalecki's dynamics, J.Steindl. Part 5 Socialism and planning: Michail Kalecki's contributions to the theory and practice of socialist planning, D.M.Nuti.