Chapter 6
How many astronomers does it take to change a lightbulb?
Chapter 7
1. Horsehead
2. Boomerang
3. Fish on a Platter
4. Duck
5. Thumbprint
6. Apple Core
8. Cat's Eye
9. Ghosthead
First you must turn the book a quarter turn counterclockwise. Then hold the book so that the bottom edge of the puzzle is close to your eye, and the top edge is titled away from your eye. Squint one eye closed, and look down the length of the puzzle. Tilt the book up and down a little until all of a sudden you get the perfect angle, and you can read the answer!
Chapter 8
Chapter 9