Step through the basement door into a breathtaking underground universe where nothing will ever be the same. After moving into their great-grandfather's mysterious, creaky old house, Emily and Navin quickly realize their new home holds dark and dangerous secrets. When a terrifying, tentacled creature suddenly kidnaps their mother and drags her into the depths below, the brave siblings dive in right behind her. You will follow them into a stunning, perilous world populated by towering robots, walking houses, and sinister elf lords. To survive this strange land and save the person they love most, Emily must take up the mantle of the Stonekeeper by wielding a powerful, glowing magical amulet. Luckily, they do not have to fight alone, enlisting the help of a brilliant little mechanical rabbit named Miskit. This beautifully illustrated, fast-paced graphic novel is the perfect beginning to an epic fantasy adventure filled with courage, family bonds, and unforgettable monsters.