The Dark Portal

The Dark Portal is a dark fantasy novel for children by British author Robin Jarvis. The first book in The Deptford Mice trilogy and Jarvis's debut novel, it follows the story of Audrey Brown, a mouse girl who is looking for her missing father. Her search takes her into the sewers of Deptford where, with the help of her friends and family, she must face an army of evil rats and their living god, a mysterious being known as Jupiter.