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 -