Two Terrible Vikings and Grunt the Berserker. Two Terrible Vikings.

By (author): Francesca Simon. Illustrated by: Steve May. Hack and Whack are on the attack! This time there's a dispute with a grouchy neighbour Grunt the Berserker. Hack and Whacks parents are as proud as ever of their awful children. The Viking Village is in uproar over Bitey Bitey the twins' thieving dog .