“What?” Dan demanded. “Impossible!”

“Well, look at the arrow!”

Dan saw for himself that an arrow had pierced the target padding at its very center. The shot was a perfect one.

“Midge, that couldn’t have been my shot.”

“Well, it certainly wasn’t mine.”

Dan had examined the arrow carefully after removing it from the target.

“Neither of us shot it,” he announced. “See, it’s larger than those we used.”

“The shaft is longer,” Midge agreed in awe. “Also, we shot six arrows apiece.”

“Nine should be in the target, Midge. Instead, there were ten.”

“But who shot the tenth one?”