As part of the 50th Anniversary of Doctor Who, there are going to be eleven short novels from famous authors covering (as you might have guessed) all eleven Doctors.
The third book is The Spear of Destiny and features the third Doctor and Jo Grant, oh and Vikings.
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?