Jonny Plumb and the Battle to Save Earth

Jonny Plumb and the Battle for Earth is the fourth in the series Jonny finds himself fighting to save all the good peoples and Planet Earth from the evil clutches of the Devils only daughter Deadsheda and her evil witch friend Dances with Death. Will Jonny get help in saving the world and where will this help come from, another planet, his star parents or aliens from another place and time...?