Paperback, 5040 pages
English language
Published Feb. 2, 1971 by World Book-Childcraft International.
the how and why library.
Paperback, 5040 pages
English language
Published Feb. 2, 1971 by World Book-Childcraft International.
Illustrated articles, stories, and poems, grouped thematically in fifteen volumes under titles including "World and Space, "About Animals," "How Things Work, " and "Make and Do."