Book reviewed in this article:How to Get Profitable Ideas: For Creative Problem Solving.by John D. Yeck, New York: McGrazo‐Hill, 1965Industrial Creativity — the psychology of the inventor,by Joseph Rossman, New Hyde Park, New York: University Books, 1964Put Your Mother on the Ceiling.by Richard deMille, New York: Walker&Company, 1967Teaching for Creative Endeavor.edited by William B. Michael, Bloomington, Indiana: Indiana University Press, 1968Creative Living for Today.by Maxwell Maltz, M.D., New York: Trident Press, 1967Creative Power: The Education of Youth in the Creative Arts.by Hughes Mearns (Second Revised Edition), New York: Dover Publications, Inc., 1958, Reprinted 1968Creative Teaching in the Elementary School.by Abraham Shumsky, New York: Appleton‐Century‐Crofts, 1965Language and Thought.by John B. Carroll, Englewood Cliffs, N.J.: Prentice‐Hall, 1964The Logic of Scientific Discovery.by Karl R. Popper, New York: Basic B