Puzzles by Kai Huang:

1. 20 Questions
2. Coming to a Location Near You
3. Course 7E (recommended by author)
4. Criss-Cross (recommended by author)
5. Dawn of a New Era (recommended by author)
6. Disorder of Operations (recommended by author)
7. Eight Digits
8. Freshman Physics
9. Fulfilling Puzzle
10. Functions (recommended by author)
11. I'll Teach You
12. Keeping Records (recommended by author)
13. Makefiles (recommended by author)
14. March Madness
15. Now I Know My ABCs (recommended by author)
16. Panorama
17. Playing a Part (recommended by author)
18. Potlines
19. Stage Lines (recommended by author)
20. The Answers Are Somehow Connected
21. Winning Conditions (recommended by author)