A review by blondierocket
The Secret of the Wooden Lady by Carolyn Keene

Nancy is hired by a ship captain to find out the mysteries surrounding a strange visitor on his boat, as well as to find the history and help him succeed in buying the boat through legal channels. Just when Nancy thinks she may have reached the conclusion and solved the mystery of the boat and the Wooden Lady, more confusion enters the mystery and she pulls in all her friends to help.