500
Horace, Morris, and Dolores have been best friends forever. They do everything together -- from sailing the seven sewers to climbing Mount Ever-Rust. But one day Horace and Morris join the Mega-Mice (no girls allowed), and Dolores joins the Cheese Puffs (no boys allowed). The five friends end up making a clubhouse together.
Retell the story in your own words. Tell who the characters are and where the story takes place. Then, tell the story events in sequence.