The Wonderful Wizard of Oz Treasury Collection 4 Pop Up Books Set from 1991 is a vintage box set featuring four pop-up books based on the classic narrative of “The Wonderful Wizard of Oz.” These picture books, with a size of 6.75 inches in length and 9.5 inches in height, are in English and part of the Children & Young Adults genre. Published by Publisher, this collection is a nostalgic treasure for fans of the beloved story, offering a unique viewing experience with its pop-up features.