- ISBN: 9780062270863
- ISBN: 0062270869
- Physical Description: 1 online resource (361 pages) : illustrations.
- Edition: First edition.
- Publisher: New York, NY : Harper, an imprint of HarperCollins Publishers, 
- Copyright: ©2016
|Summary, etc.:|| Four orphans are shocked when their beloved friend, sculptor Siegfried Eckleberger, is murdered. As they investigate, they find clues that his death may be tied to the murder of a rich New York heiress as well as to their own past.
|Target Audience Note:|| Ages 8-12.
|Source of Description Note:|| Print version record.
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