TY - BOOK AU - CAROLYN KEENE TI - The clue of the velvet mask SN - 0-448-09530-0 PY - 1997/// CY - New York PB - Grosset & Dunlap KW - Persevere, Be observant and thoughtful KW - Crime has consequences, Courage and intelligence lead to success N2 - In The Clue of the Velvet Mask, Nancy Drew investigates a series of mysterious events involving thefts and disappearances at a theater. A valuable diamond necklace has gone missing, and Nancy notices suspicious activity connected to a masked figure ER -