1994 Harper Perennial "Flatland/Sphereland" edition

This edition was published in 1994 by Harper Perennial and contains both Edwin A. Abbott's Flatland and Dionys Burger's Sphereland. The version of Flatland included contains the forward written by Isaac Asimov, originally published in the 1983 Barnes and Nobel edition. For more information on this edition, please see the entry in the publication history.