Activity books are interactive books designed to engage readers through various tasks and challenges. They often include puzzles, coloring pages, mazes, and games that encourage creativity and critical thinking. These books are popular among children but can also be enjoyed by adults looking for a fun way to pass the time. Many activity books are themed around popular characters or subjects, such as cartoons, animals, or science. They can be used in classrooms, at home, or during travel, making them versatile tools for learning and entertainment. Overall, activity books provide a hands-on approach to learning and play.