When Leon brings a mystery egg home from school, Cat Ninja and Master Hamster face their biggest challenge yet: babysitting! And while they're pretty sure they can keep an egg out of trouble, they know they're in over their heads when that egg hatches into a high-energy ball of feathers and cuteness. It's baby's first superhero adventure when they decide to bring their newest family member along as they uncover the identity and nefarious motives of Metro City's latest foe. Available in softcover and hardcover editions.