Just finished a book

Just finished a book
titled "Fear"
by "L. Ron Hubbard"

The book is about
a professor at artworthy college
named "James Lowry"

He has a case of cerebral malaria
though he thinks his malaria
is only minor

one day, he suddenly lost his hat
and 4 hours of his life
and now he tries to find his four hours but
he is warned with this saying:
"If you find your hat, you will find your four hours,
If you find your four hours, you will die"

He gets illusions about
the paranormal every time
and he blames this on the fact he
studied Demonology

After a while
his illusions gets more worse
so much that it led
him to the point of
killing his own beloved
wife

and after finding out he killed
his own wife, he was also killed

creepy story
though the author
didn't really put much detail
on the story