The Sphere of Septimus — Simon Rose

Eric isn't happy when he has to spend the summer with his eccentric father, Septimus Trinket, in the backwater village of Middle Wogglehole, deep in the heart of rural Derbyshire. And things are not quite what they seem to be in the isolated village -- mysterious happenings have plagued Middle Wogglehole for years. After they discover Septimus' shocking secret, Eric and Jessica must fight for their lives against powerful evil forces -- in a world very different to their own.