Editions of Empty world

134 pages

English language

Published 1978 by Dutton.

Paperback, 256 pages

Published by Aladdin.

Hardcover, 144 pages

Spanish language

Published Jan. 1, 1990 by Penguin Books.

Paperback

Spanish language

Published by Alfaguara.

134 pages

English language

Published 1977 by Hamilton.

256 pages

English language

Published 2015 by Simon & Schuster/Paula Wiseman Books.

English language

Published 1981 by Puffin Books.

134 pages

Published by Heinemann Educational Secondary Division.

161 pages

Spanish language

Published 1986 by Ediciones Alfaguara.

Undetermined language

Published 1977 by Hamilton.