A picture book is a type of book that combines illustrations and text to tell a story or convey information. These books are often aimed at young children and use colorful images to engage readers and enhance understanding. The illustrations can help to clarify the text and make the story more enjoyable. Picture books can cover a wide range of topics, from simple stories about everyday life to more complex themes like friendship or adventure. They are commonly used in early childhood education to promote literacy and encourage a love of reading. Popular examples include works by authors like Dr. Seuss and Eric Carle.