A set of illustrated books providing a diverse range of knowledge about living things. These were kept in the car to keep children entertained. While there is some soiling, they should still be perfectly usable. - Series Name: Elementary School Illustrated Books - Theme: Living Things - Number of Books: 12 - Condition: Aged, with wear and tear - Contents: Insects, marine life, aquatic life, plants, vegetables, fish, etc. Thank you for looking.