Abbott, Edwin Abbott,  1838-1926. <br/><br/>
Flatland :   a romance of many dimensions / 
illustrations by the author, A Square (Edwin A. Abbott) ; foreword by Isaac Asimov.  Sphereland : a fantasy about curved spaces and an expanding universe / by Dionys Burger ; translated from the Dutch by Cornelie J. Rheinboldt ; foreword by Isaac Asimov. 
 - 1st HarperPerennial ed. 
 - New York :  HarperPerennial,  1994. 
 - 2 v. in 1 (120 ; x, 208 p.) :   ill. ;  21 cm. 
<br/><br/> Sphereland is a translation of: Bolland. 
<br/><br/><label>ISBN: </label>0062732765 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fourth dimension.<br/>Sphere.<br/>Expanding universe.
<br/><br/><label>LC Class. No.: </label>QA699  / .A13 1994