{ "item_title" : "How to Invent", "item_author" : [" M. W. Thring", "E. R. Laithwaite "], "item_description" : "Contents: Preface - 1. What is 'invention' and can it be taught? - 2. Some historic inventions and inventors - 3. What needs inventing? - 4. The art of the inventor - 5. Physical thinking - 6. Engineering and nature study - 7. Thinking with the hands - 8. Teaching invention - 9. Developing and patenting an invention - 10. Some of our inventions - Epilogue - Appendix: 3-D crossword - Index -", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/0/82/060/382/0820603821_b.jpg", "price_data" : { "retail_price" : "85.00", "online_price" : "85.00", "our_price" : "85.00", "club_price" : "85.00", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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