Did you know that June happens to be adopt-a-shelter-cat month? It also marks the height of “kitten season,” which sounds terribly cute but is actually terribly sad. This is the time of year when thousands of newborn kittens join the millions of homeless cats already overwhelming shelters across the country. So we’re not telling you that you have to go out and adopt a cat, but hey, maybe go out and adopt a cat! While you take a few days to mull it over, here are 7 books to get you in the cat-rearing spirit.