| Front: |
Suddenly, through forces not yet fully understood, Darren Belsky's apartment became the center of a new black hole. |
| Inside: |
Happy Birthday! (You now have an enemy, and its name is Gravity.) |
| Size: |
5x7 inches |
| Paper Stock: |
Recycled Heavy Cardstock |
| Envelope: |
White |
| Publisher: |
Recycled Paper Greetings |
| Artist/Credits: |
Gary Larson |
| Product Line: |
The Far Side |