"Hate That Cat" is a children's novel by Sharon Creech that follows a young boy named Jack as he navigates his feelings about poetry and his relationship with a cat. The story is told through a series of poems that reflect Jack's thoughts and experiences, particularly his evolving perspective on the cat he initially dislikes. As Jack learns more about poetry and himself, he discovers the power of words and how they can express complex emotions. The book explores themes of love, loss, and the importance of creativity, making it a relatable and engaging read for young audiences.