Sphereland: A Fantasy About Curved Spaces and an Expanding Universe

The book is in good condition for a paperback. The cover shows some signs of wear, particularly along the spine and edges, but remains intact. The pages are clean and free of inscriptions or library markings. As a paperback, it does not include a dust jacket.

Sphereland: A Fantasy About Curved Spaces and an Expanding Universe by Dionys Burger is a notable sequel to the classic "Flatland." Published by Harper & Row in 1983 as part of the Perennial Library series, this paperback edition offers readers an intriguing exploration of geometry and dimensions through a fictional narrative. Originally copyrighted in 1965, this particular edition is the First Barnes & Noble Books edition. The book includes a foreword by Isaac Asimov and is translated from Dutch by Cornelie J. Rheinboldt. Sphereland expands upon the themes of its predecessor, delving into the complexities of curved spaces and the concept of an expanding universe. This edition is particularly appealing to collectors of science fiction and mathematical literature. The book is in good condition, with some wear on the cover but intact pages.