 Why did Lorraine duck her head when another car passed by the group on their way to the fountain?
In another year she would be summering among the beautiful Thousand Islands and solving a mystery to be known as the Ghost Parade . As Judy wiped it away she noticed that it had fallen on a picture of a fountain. On the lawn a fountain still caught and held rainbows like those she was to see on her honeymoon at Niagara Falls. She and Lorraine had listened to this much of what Judy was telling them without interruption. And she went on to tell them how, the very next day, her grandparents had taken her to a fountain exactly like the one in the picture. I really should have investigated it more thoroughly and learned the secret of the fountain. Lois and Lorraine had finished their dessert while Judy was telling them the story of the fountain.
 She knew who the new owner of the estate was and didn't want to be seen.
 She had recently forged checks and people were looking for her.  She was afraid someone would report that they were trespassing.  She feared that they were going to collide and she was covering her face from impact.  She knew who the new owner of the estate was and didn't want to be seen.