Fiction Sample B (see also A): Harry Potter and the Prisoner of Azkaban

"Everyone gather 'round," said Snape, his black eyes glittering, "and watch what happens to Longbottom's toad. If he has managed to produce a Shrinking Solution, it will shrink to a tadpole. If, as I don't doubt, he has done it wrong, his toad is likely to be poisoned."

The Gryffindors watched fearfully. The Slytherins looked excited. Snape picked up Trevor the toad in his left hand and dipped a small spoon into Neville's potion, which was now green. He trickled a few drops down Trevor's throat.

There was a moment of hushed silence, in which Trevor gulped; then there was a small pop, and Trevor the tadpole was wriggling in Snape's palm.

The Gryffindors burst into applause. Snape, looking sour, pulled a small bottle from the pocket of his robe, poured a few drops on top of Trevor, and he reappeared suddenly, fully grown.

"Five points from Gryffindor," said Snape, which wiped the smiles from every face. "I told you not to help him, Ms Granger. Class dismissed."

Harry, Ron, and Hermione climbed the steps to the entrance hall. Harry was still thinking about what Malfoy had said, while Ron was seething about Snape.

"Five points from Gryffindor because the potion was all right!" (p. 128) (204 words)