All the books are in great condition! 2 of them have some writing. This product is a lot of paperback books from the Magic School Bus series by authors Bruce Degen and Joanna Cole. The books are intended for ages 4-8 and focus on science topics, making them educational and engaging for young readers. Illustrated by Bruce Degen, these nonfiction picture books published by Scholastic are sure to capture the imagination of young readers and inspire a love for learning about science in a fun and interactive way.