Subject(s): Kelly, Jamie (Fictitious character) -- Juvenile fiction. | Diaries -- Juvenile fiction. | Middle schools -- Juvenile fiction. | Mathematics -- Juvenile fiction. | Interpersonal relations -- Juvenile fiction. | Intellect -- Juvenile fiction. | Beauty, Personal -- Juvenile fiction. | Security (Psychology) -- Juvenile fiction. | Jealousy -- Juvenile fiction. | Kelly, Jamie (Fictitious character) -- Fiction. | Diaries -- Fiction. | Middle schools -- Fiction. | Mathematics -- Fiction. | Interpersonal relations -- Fiction. | Intellect -- Fiction. | Beauty, Personal -- Fiction. | Security (Psychology) -- Fiction. | Jealousy -- Fiction. | School stories.