You have read 28 books from the ' crazy silly school ' series. If there are a total of 45 different books in the ' crazy silly school ' series How many more do you still have to read?
There are a total of 45 different books in the 'crazy silly school' series. You have read 28 books from the 'crazy silly school' series. You still have to read 17 more books from the 'crazy silly school' series.