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Serious Creativity
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COLORFUL LATERAL THINKING...
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Five-Minute Murder Lateral...
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Lateral Thinking Puzzles
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10-Minute Brain Teasers:...
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Lateral Thinking Posers: More...
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Fantastic Lateral Thinking...
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Build Your Brain Power: The...
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Mind-Bending Lateral Thinking...
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More Mind-bending Lateral...
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Gross Brain Teasers
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Clever Lateral Thinking...
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The Leader's Guide to Lateral...
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Mind-Sharpening Lateral...
Edward Harshman,
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Lateral Thinking for...
Edward De Bono
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Mental Fitness Puzzles
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Lateral thinking for...
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Letters to Thinkers: Further...
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