“The lake!”

“Last one there’s a dead Martian stinko-bug!”

Breathlessly, they rushed across the path, onto the tiny strip of green bank against which the water lapped. Bobby threw himself down on his hands and knees, laughing and panting and peering down into the water. Jean settled down beside him, smoothing her dress tidily into place. Deep in the cloudy-blue water some tadpoles and minnows moved, minute artificial fish too small to catch.

At one end of the lake some children were floating boats with flapping white sails. At a bench a fat man sat laboriously reading a book, a pipe jammed in his mouth. A young man and woman strolled along the edge of the lake together, arm in arm, intent on each other, oblivious of the world around them.

“I wish we had a boat,” Bobby said wistfully.

Grinding and clashing, Nanny managed to make her way across the path and up to them. She stopped, settling down, retracting her treads. She did not stir. One eye, the good eye, reflected the sunlight. The other had not been synchronized; it gaped with futile emptiness. She had managed to shift most of her weight on her less-damaged side, but her motion was bad and uneven, and slow. There was a smell about her, an odor of burning oil and friction.

Jean studied her. Finally she patted the bent green side sympathetically. “Poor Nanny! What did you do, Nanny? What happened to you? Were you in a wreck?”

“Let’s push Nanny in,” Bobby said lazily. “And see if she can swim. Can a Nanny swim?”

Jean said no, because she was too heavy. She would sink to the bottom and they would never see her again.

“Then we won’t push her in,” Bobby agreed.

For a time there was silence. Overhead a few birds fluttered past, plump specks streaking swiftly across the sky. A small boy on a bicycle came riding hesitantly along the gravel path, his front wheel wobbling.

“I wish I had a bicycle,” Bobby murmured.

The boy careened on past. Across the lake the fat man stood up and knocked his pipe against the bench. He closed his book and sauntered off along the path, wiping his perspiring forehead with a vast red handkerchief.