Editions of The forgotten door

Paperback, 140 pages

English language

Published Sept. 29, 1965 by Scholastic, Scholastic Paperbacks.

mass market paperback, 140 pages

English language

Published Sept. 29, 1999 by Scholastic.

Hardcover, 124 pages

Published June 16, 1965 by Westminster John Knox Pr.

school & library binding

English language

Published Oct. 29, 1999 by Tandem Library.

140 pages

English language

Published Sept. 29, 1965 by Scholastic.

141 pages

English language

Published Sept. 29, 2014 by Open Road Integrated Media, Inc..

141 pages

English language

Published Sept. 29, 2014 by Open Road Integrated Media, Inc..

126 pages

English language

Published Sept. 29, 1965 by Westminster Press.

unknown binding

Published Sept. 29, 1982 by Perfection Learning Prebound.

Undetermined language

Published Sept. 29, 1966 by Faber.