What keeps your feline friend purring? Find out as the neurons behind the bestselling Cells at Work! manga take you inside kitty's body in this new science-made-simple series purr-fect for every cat lover! Red Blood Cell, White Blood Cell (Neutrophil), and their team put on their cat ears as they work, day and night, to fight invaders big and small to make sure our feline friends are happy, healthy, and purring! Explore the action taking place inside a cat’s body, in Cells at Work! style, while also seeing the perspective of the humans who provide a home and tender, loving care.