This is book number 1 in the Amulet series.
Imagine an arcane underground world occupied by robots and talking animals. Emily and Navin are siblings who have been thrust into this new world upon the kidnapping of their mother. As a stonekeeper, Emily wields mystical abilities through her amulet, it aids her and her friends through combat and conflicts.
— Victoria PZThe first book in Kazu Kibuishi's #1 New York Times bestselling series that features a beautiful but dangerous world of new friends, giant robots, and shadowy enemies!
After the tragic death of their father, Emily and Navin move with their mother to the home of her deceased great-grandfather. The strange house proves to be dangerous. Before long, a tentacled creature lures the kids' mom through a door in the basement. Em and Navin, desperate not to lose her, follow her into a fantastical world inhabited by robots, mysterious plants, and talking animals. It's up to Em and Navin to figure out how to set things right and save their mother's life!
Praise for Amulet:
#1 New York Times Bestselling Series
Kirkus Reviews Best Book of the 21st Century (So Far)
"Five -- no, three pages into Amulet and you'll be hooked." -- Jeff Smith, creator of BONE
"[The] action-packed adventure sequences move at an exciting clip." -- Booklist
"A richly drawn graphic-fantasy series following in the footsteps of BONE and a must for all fantasy fans." -- Kirkus Reviews
"Stellar artwork, imaginative character design, moody color and consistent pacing." -- Publishers Weekly