Set on the eve of Flatland's first mission into their 'outer-space,' the story presents the intriguing mysteries of triangles with angle sums greater than 180 degrees and flipping into dimensions that are literally out of this world.
2020
2012
1988
1938
1993
2016
1990
1985
2017
1999
1964
2000
2005
2006
2002
