"Don't go too far," called their mother after them. "Don't go out of sight of the house."
"We won't," they promised.
"I just goin' to make mud pies down by the pond," said Mun Bun.
The "pond" was a place where the creek widened out into a shallow place, only half-way to Mun Bun's knees in depth. On one shore was sand, where "pies" could be made.
It was about half an hour after Mun Bun and Margy had gone to play on the shore of the creek that Margy came running back alone.
"Where's Mun Bun?" her mother asked her.
"He's in a mud pie and he can't get out," explained the little girl. "Come on, and get Mun Bun out of the mud pie."