“Cats here, cats there, cats and kittens everywhere.” Wanda Gág’s Millions of Cats isa beloved childhood literary staplethat could be considered a cautionary tale about pet overpopulation. It’s about a man and his wife who were lonely and wanted a cat but couldn’t decide among the millions and billions and trillions of cats, so they took them all home, becoming possibly the first pet hoarders in juvenile literature. But this article isn’t about hoarders—it’s about kitten season, and it’s arrived with a kindle of vengeance, however unbearably cute.