1. The case of the parabolic pool-table; 2. Calculus for climatologists; 3. The case of the swivelling spotlight; 4. Finding the salami curve; 5. Saving lunar station Alpha; 6. The case of the cooling cadaver; 7. An income policy for mediocria; 8. Designing dipsticks; 9. The case of the gilded goose egg; 10. Sunken treasure; 11. The case of the alien agent; 12. Solutions.