Secret on the thirteenth floor
When the Alden siblings visit their grandfather's friend in an apartment building, they begin to wonder about the many mysterious events that keep happening on the thirteenth floor of that building.
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| Format: | BOOK |
| Other Format: | EAUDIO |
| Language: | ENGLISH |
| Published: |
Albert Whitman & Company
2019
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| Series: | The Boxcar children mysteries book 152 |
| Subjects: |