(From the publisher):
Nancy's in Sarasota, Florida, the winter site of the Grand Royal Circus, to help trapeze artist Natalia Petronov look into her heritage. Adopted as an infant, Natalia is now determined to find her real father. But Nancy soon discovers that Natalia's life--and her own--is in danger.
Original title: Dangerous Relations
Genre: Fiction→ Children & Young Adult→ Mystery