E. Aster Bunnymund and the Warrior Eggs at the Earth's Core! (The Guardians, Bk. 2)

E. Aster Bunnymund is the only emissary left of the fabled brotherhood of the Pookas, a league of warrior rabbits of imposing size and intellect who was meant to oversee the health and well-being of the planet. But despite the Guardian's best efforts, Pitch remains the greatest threat to Earth. So forget the bunny trail - E. Aster Bunnymund is on the war path.