The Stonekeeper (Amulet #1)
After the tragic demise in their father, Emily and Navin circulate with their mom to the house of her deceased great-grandfather, however the unusual apartment proves to be harmful. prior to lengthy, a sinister creature lures the children' mother via a door within the basement. Em and Navin, determined to not lose her, stick with her into an underground international inhabited through demons, robots, and speaking animals.
Eventually, they enlist assistance from a small mechanical rabbit named Miskit. including Miskit, they face the main terrifying monster of all, and Em eventually has the opportunity to avoid wasting a person she loves.