Mystery at Lilac Inn
Author: first_name: Mildred A. Wirt
last_name: Benson
Language: English
Year: 1930

When the Crandall family jewels are stolen from the Lilac Inn, Nancy Drew is on the case!  With multiple suspects, Nancy follows the clues which lead her  to a world of lies, suspense and danger.  A perilous and life-threatening boat ride almost defeats Nancy, as there are those who will stop at nothing to prevent Nancy from solving the mystery.   
This is the fourth book of the series, and is the last Nancy Drew Mystery Story to be written by Mildred Wirt Benson under the pseudonym Carolyn Kee