I was in the store looking for something else and stumbled upon a display with several different types of notebooks advertised at a special price. The summer semester is about to conclude with fall classes starting in September. While the format of the classes themselves is uncertain needed to write things down is not. I have touchscreens and other electronic ways to record info but sometimes I prefer to hand write. The one-subject college ruled notebooks meet the need. And with several fun colors I can use one for each class! The other versions came in wide-ruled and with folders. Highly recommended!