From New York Times bestselling author Hannah Shaw--also known as Kitten Lady--comes the second book in an exciting and heartwarming new chapter book series following a sickly kitten who wants to be a superhero for her fellow fosters! Spinach hates having her own cage in the animal shelter. It's so boring! She wants to pounce on crinkly balls, chase ribbons, and climb up scratchers with the four feisty kittens that live beside...