Cat Getting Out of a Bag and Other Observations by Jeffrey Brown is, to put it simply, the greatest thing ever. It's literally a bunch of random, hilarious, and adorable cat videos, in the form of 9-panel (or occasionally 18-panel) comics, instead of actual videos. That's the whole book.
Cartoonist Jeffrey Brown has created over 30 books, about all sorts of different subjects. He even released a follow-up to this book, called Cats Are Weird: And More Observations. This man has way too much time on his hands, and that's why his work is brilliant.