*''101 Creative Problem Solving Techniques'', by James Higgins; New Management Pub. Co (January 1, 2006)
*''101 Creative Problem Solving Techniques'', by James Higgins; New Management Pub. Co (January 1, 2006)
*''The Creative Problem Solver's Toolbox: A Complete Course in the Art of Creating Solutions to Problems of Any Kind'' by Richard Fobes; Solutions Through Innovation; 2nd edition (April 14, 2014)
*''The Creative Problem Solver's Toolbox: A Complete Course in the Art of Creating Solutions to Problems of Any Kind'' by Richard Fobes; Solutions Through Innovation; 2nd edition (April 14, 2014)
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*''Thinkertoys: A Handbook of Creative-Thinking Techniques'' by Michael Michalko, Ten Speed Press; NO-VALUE edition (June 8, 2006)
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*''Creative Problem Solving'' by Arthur van Gundy, Praeger (January 19, 1987)