num_pages: 213
description: The Beldens find an abandoned baby inside Reddy's doghouse.
language: English
title: Trixie Belden and the Mystery of the Castaway Children
titlecomplete: Trixie Belden and the Mystery of the Castaway Children (Trixie Belden, #21)
genres: Adventure, Young Readers, Kids, Mystery, Childrens, Teen, Young Adult, Middle Grade, Fiction, Mystery Thriller
ratings_count: 903
series: Trixie Belden
publisher: Golden Press