A children's nature encyclopedia series, covering topics like space and food culture. There are some issues, with some damage. I've taken photos of those parts. Please refrain from purchasing if you are looking for a perfect item. These books are very interesting and my child has read them many times. - Title: Kids' Understandable Nature Encyclopedia: The Earth - Title: Kids' Understandable Nature Encyclopedia: Planets - Title: Kids' Understandable Nature Encyclopedia: Countries of the World - Content: Includes information about food and culture. - Content: Includes explanations about space and stars. Thank you for looking.