The jokebook COB was created by LummoxJR of The Norn Underground to relieve boredom and make creatures laugh.
Information about the jokebook as described in the COB's readme file:
"The joke book is a toy that makes creatures laugh. It has the following effects on the Norn or Grendel that uses it:
- Need for pleasure -70
- Boredom -100
- Anger -60
- Loneliness -20
It has these effects on all other Norns or Grendels in earshot:
- Need for pleasure -20
- Boredom -50
- Anger -30
- Loneliness -20
It uses the C1 class numbers:
- 2 13 161