Things Not Seen was created in 2002.
The Evidence of Things Not Seen was created in 1985.
Evidence of Things Not Seen was created on 2003-04-23.
The ISBN of Things Not Seen is 0399236260.
Have You Seen Her was created in 1971.
You Have Seen Their Faces was created in 1937.
I Had Seen Castles was created in 1993.
The French as Seen By... was created in 1988.
My Eyes Have Seen was created in 1959.
Seen - Winterthur - was created in 774.
As Seen from Above was created in 1997.
Murder Seen was created in 2000.
Genre is always debatable, but I think that things not seen is science fiction.