More non-fiction book ideas

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1. Lazy gardening

2. Blog writing

for people who want to use their blog as a training ground to become better writers

3. Running for wellness

4. How to invent stories

5. Linux for great old hardware

6. How to impress women (for men)

7. How to impress men (for women)

8. Trends for the next 50 years

9. Memory training for gambling

10. Make your own dog food/cat food