L. Frank Baum

“ He picked it up, but could not see what he held.
"It is very strange," said he, soberly. "The piglets have become invisible, in some curious way."
"I'll bet it's because they ate that peach!" cried the kitten.
"It wasn't a peach, Eureka," said Dorothy. "I only hope it wasn't poison."
"It was fine, Dorothy," called one of the piglets.
"We'll eat all we can find of them," said another.
"But we mus'n't eat them," the Wizard warned the children, "or we too may become invisible, and lose each other. If we come across another of the strange fruit we must avoid it." ”

“ The piglets had smelled the fruit quickly, and before the girl could reach out her hand to pluck it every one of the nine tiny ones had rushed in and commenced to devour it with great eagerness.
"It's good, anyway," said Zeb, "or those little rascals wouldn't have gobbled it up so greedily."
"Where are they?" asked Dorothy, in astonishment.
They all looked around, but the piglets had disappeared.
"Dear me!" cried the Wizard; "they must have run away. But I didn't see them go; did you?" ”

“ From their elevated position they could overlook the entire valley, but not a single moving object could they see. All appeared mysteriously deserted.
The mountain on this side was not glass, but made of a stone similar to granite. With some difficulty and danger Jim drew the buggy over the loose rocks until he reached the green lawns below, where the paths and orchards and gardens began. The nearest cottage was still some distance away.
"Isn't it fine?" cried Dorothy, in a joyous voice, as she sprang out of the buggy and let Eureka run frolicking over the velvety grass. ”