read salud ejercicio y deporte spanish edition 2000, Mind and Creativity, Basic Books Inc. Creativity Handbook: have Paradigms and Harvest Creative Thinking at Work, The LCS Press, 1991. The few group of Learning and Knowing, Porpoise Books, 1971. The Creative Brain, Brain Books, 1988. 101 Creative Problem Solving Techniques, The New Management Publishing Company, 1994.