TRIXIE BELDEN: THE MYSTERY OF THE CASTAWAY CHILDREN. #21.
Edition: Trade paperback. Oval illustration on front cover.
Racine, WI: Golden Press, (1978.). While not as well known as Nancy Drew, this is many girls' favorite series: Trixie is a real girl, with chores, school to attend, a little brother to babysit - but lots of adventures! T-shirt offer on front cover. ISBN: 0-307-21592x.
Condition: Very good+ (usual toning to the pages, minor wear.)