You look for books on border?
I suppose,you like reading some strange, supernatural and myths stories.I used to read Ursula Lengvin-she writes about Dragons,they are her favorite theme,and write it nice.
The Malediction of Pharaoh by Philip Vandenberg/look for writer if title is not correct,/this is in case you love Egyptian pyramids
The History of Atlantis by Luis Spense
/if you can't get book, this is just idea of what you could read
Did you read The Count of Monte Cristo
If you like Space, look for Isak Asimov
unusual stories by Marsel Eme
Edgar Alan Poe is great choice
Hiram's key by Kristofer Night and Robert Lomas
if you like mystery of Holy Grail see for author Noel Carer Brige "Cover and Grail"
and sorry for wrong spelling of names of Authors,have no time for looking at encyclopedia