Zack and his alien buddy Amp must save the planet from an alien invasion.

"Magic, monsters, and mayhem abound when Percy Jackson and Annabeth Chase meet Carter and Sadie Kane for the first time in this short story collection"--

From a smelly watering hole deep in the heart of the Serengeti to the ferocious clamor of the Colosseum, join Julius Zebra and his motley menagerie of friends as they gear up to be gladiators! Only if they win the love of the Roman crowds will they win back their freedom. But do Julius and his pals have what it takes to succeed in a world where only the meanest and toughest survive?

The micekings are in a panic. The village's best cook is ill, and until she recovers, there's no delicious stew to eat! Geronimo Stiltonord departs immediately in search of a cure for her. But on the way, he ends up snout-to-snout with terrifying dragons! Can he make it back with his fur intact?