The series is about a small cat-like animal that comes from Mars, and befriends a young boy named John. This is a series of their adventures in this world. The books are children's picture books. There are sixty languages the first book is translated into. These are broken down into more managable groups or series. But where these are not banded together they are available here.
Arabic, Farsi, Hebrew, Korean, Mongolian, Brazilian Portuguese, and Hebrew.