Montgomery's Trouble in the Underworld

Thirteen-year-old Montgomery encounters a hidden world beneath London filled with diverse forms of magic and fantastical creatures. As he explores the underground city of Lundarien and befriends its residents, he discovers that not all is as peaceful as it seems, with lurking dangers and dark forces threatening the city. His journey leads him to uncover his own magical potential while helping to protect his new home from an evil tyrant.