Name: The Mystery in the Snow
ISBN: 9780590460583

Gertrude Chandler Warner

While spending winter vacation with their grandfather, the Alden children try to solve a mystery at the Snow Haven Lodge's winter carnival.

The Mystery in the Snow

Unsatisfying ending, although the mystery had us going! 

Kristen Savage

At the beach, Benny finds a valuable gold locket and decides to try to find its owner. Soon the children are caught up in a puzzle involving strange visitors at the beach and the mysterious Miss Smith, who seems to live along in the big Tower House nearby.