The Book of Secrets
8,000 
Unknown.
?
Damage taken
Neutral
100%100%100%100%100%100%100%100%100%
Location
Immunity Properties
Paralysable?
Sense Invis?
Notes
It looks the same as a Book of Lies, which may be an indication that it shouldn't be taken seriously. Part of The Secret Library Quest.
Behaviour
Unknown
Strategy
Unknown