panda
The Outer Space Mystery
Outer space, fiction
Boxcar children (fictitious characters), fiction
series:BoxcarChildren
Orphans, fiction
Siblings, fiction
Brothers and sisters, fiction
Orphans
Brothers and sisters
Mystery and detective stories
Detective and mystery stories
Children's fiction
Fiction
The Boxcar children investigate the disappearance of a student's research paper from an observatory and the subsequent disappearance of another student.
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