Title: The secret of the key
Description: In the Art Institute of Chicago's miniature Thorne Rooms, the Thorne Rooms key and a mysterious set of rings lead Ruth and Jack to new historical eras and a woman who went missing as a young girl.

In the Art Institute of Chicago's miniature Thorne Rooms, the Thorne Rooms key and a mysterious set of rings lead Ruthie and Jack to new historical eras and a woman who went missing as a young girl. Book #4
Subjects: Magic, Miniature rooms, Juvenile fiction, Size, Time travel, Fiction, Art Institute of Chicago, Body size, Voyages dans le temps, Romans, nouvelles, etc. pour la jeunesse, Pièces miniatures (Architecture), Constitution corporelle, JUVENILE FICTION / Action & Adventure / General