Thanks, I'll check that out. I really liked his book _Blank Spots on the Map_ (https://www.amazon.com/Blank-Spots-Map-Geography-Pentagons/dp/0451229169 https://

Thanks, I'll check that out. I really liked his book _Blank Spots on the Map_ (https://www.amazon.com/Blank-Spots-Map-Geography-Pentagons/dp/0451229169 https://www.amazon.com/Blank-Spots-Map-Geography-Pentagons/d...).