Recurrent and nonformal education : a definitional prelude / David Harman -- Nonformal education and development / David Harman -- The greening of schooling / James R. Sheffield -- 21 Russell G. Davis -- University training of nonformal educators / John Middleton -- Emerging directions in continuing higher education / Alan B. Knox -- Adult higher education for social change / Noel F. McGinn -- Facing new educational challenges : summative thoughts / David Harman.