The Spear of Destiny (Marcus Sedgwick) Puffin
The Spear of Destiny (Marcus Sedgwick) 
23/03/2013 Puffin UK
23/03/2013 Puffin UK
Only available initially as an ebook.
The Third Doctor and Jo Grant are trying to track down the magical spear of Odin when they find themselves caught up in a vicious battle between two Viking tribes. But one of the Vikings is even more dangerous than he appears to be. Can the Doctor stop the spear getting into the wrong hands before it's too late?