The Stonekeeper (Amulet #1) by Kazu Kibuishi
Karen has been on an edge since the death of her husband who was killed in a car crash two years ago. Ever since, Karen has been managing the household, the kids, and the finances. Her cup is brimming to the top and she is finding it difficult to handle all the rigmarole. Help comes in the form of a decision to go and stay at her grandfather’s house. But instead of relief, troubles start creeping into their lives one by one. Strange things start happening thereafter. Some strange noises coming from beneath lead her to the basement of the house, with the kids in tow. Their basement opens up to them a new eerie world full of animals who can talk, terrible demons who can wreak havoc and some robots. They are still in a daze when the things take a horrible turn and Karen is engulfed by a ferocious monster. The children are determined not to let their mother suffer a terrible end at the hands of the monster. They seek the help of Miskit, a mechanical rabbit. The trio set out on the mission to save their mother. Read on to find what escapades they go through to succeed in their extraordinary mission and how they save Karen.