With cameras in almost every smartphone, it’s easy to capture a picture of your cat at almost any time of the day. While taking a quick picture of your cat may be fun, you might want to learn more about taking pictures from a man who has been doing it for over 70 years.

Walter Chandoha is a professional photographer whose cat pictures have appeared in ads for everything from cat food to shoes, in Ladies’ Home Journal and Life magazine. After so many years of photographing cats, he’s collected his best pictures for a book called  “Walter Chandoha: The Cat Photographer.

To read more about a professional cat photographer, click here.