num_pages: 131
description: One of the twins has disappeared and they do not know if it is a prank or kidnapping.
language: English
title: Mary is Missing
titlecomplete: Mary is Missing (Sweet Valley Twins, #36)
genres: Mystery, Childrens, Juvenile, Young Adult, Middle Grade, Contemporary, Fiction
ratings_count: 347
series: Sweet Valley Twins
publisher: Bantam