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.
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.
I Had Seen Castles was created in 1993.
Genre is always debatable, but I think that things not seen is science fiction.