A coloring book is a book containing black and white illustrations or outlines that are meant to be filled in with colors using crayons, colored pencils, markers, or other coloring tools. Coloring books come in various themes, styles, and difficulty levels to cater to different age groups and interests.

Coloring books for children typically feature simple and fun illustrations of animals, cartoon characters, and objects, while coloring books for adults often showcase intricate patterns, mandalas, and scenic landscapes.

Some coloring books also come with accompanying text, providing information or context about the illustrations, while others may have prompts or suggestions for color combinations and shading techniques.

Coloring books are popular among people of all ages as they are a relaxing and enjoyable way to engage in a creative activity and de-stress. They are also known to improve fine motor skills, hand-eye coordination, and concentration