0 paws: Not a single cat in the entire book

1 paw: At least one cat makes a token appearance

2 paws: Multiple entertaining cats fill the pages, but no feline-centric POV

3 paws: At least one worthy cat, whether or not as a POV character

4 paws: Multiple entertaining cats, preferably as POV characters

5 paws: The entire book is about cats.

“3 out of 5 paws, where’s my tuna?”