Amulet : The Stonekeeper - Kazu Kibuishi

Graphic novel star Kazu Kibuishi creates a world of terrible, man-eating

demons, a mechanical rabbit, a giant robot---and two ordinary

children on a life-or-death mission. After the tragic death

of their father, Emily and Navin move with their mother to the home

of her deceased great-grandfather, but the strange house proves

to be dangerous. Before long, a sinister creature lures the kids'

mom through a door in the basement. Em and Navin, desperate not

to lose her, follow her into an underground world inhabited by

demons, robots, and talking animals. Eventually, they enlist the

help of a small mechanical rabbit named Miskit. Together with Miskit,

they face the most terrifying monster of all, and Em finally

has the chance to save someone she loves.