Given the task definition and input, reply with output. In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

Sentence1: John went to the bookstore. Sentence2: He looked up and down the aisles for an interesting read. Sentence3: After an hour of browsing he stopped in the classics. Sentence4: He picked up a book of Edgar Allan Poe's work. Sentence5: This was exactly what he was hoping to find.
Edgar allan poe, John