Attached to it was a neatly rolled scrap of paper.

Veve unsnapped the rubber band, and spreading out the message, read:

“Come to the Rustic Bridge. A Surprise Awaits You.”

“A surprise!” murmured Sunny. “We’ve already had one unpleasant one today. Who wants another?”

“This may be different,” declared Veve. “I think we should investigate. Don’t you, Connie?”

“Yes,” she agreed, “but not without telling Miss Gordon.”

The three girls remained within view of the tree house. Seeing Jane shaking out a rag on the balcony, they waved frantically to her.

“What’s wrong now?” she shouted back.

Connie held up the arrow with the message attached.

“Jeepers creepers! I want to see that!” cried Jane. Dropping the rug, she started down the stairway.