Brother and sister, Kit and Kat, have lots of fun together! In this book, they sleep over at Grandma and Grandpa's house, race their bikes, and even run into a playground bully. Reader Level 2: Level 2 is for Progressing Readers who can read longer sentences with simple dialogue. These books offer pictures and context clues, in-depth plot development, and are available in both fiction and nonfiction books.