It’s not easy being the WORST at everything!

Hack and Whack are the very worst Vikings in the village - until a fierce andstinky berserker moves in - NEXT DOOR!

WILL the brand new school help the twins outwit this villain and his viciousdog, Muddy Butt?

And will Twisty Pants, Dirty Ulf and Elsa Gold-Hair help vanquish this foulfiend?

‘As joyously anarchic as Horrid Henry.’ - Cressida Cowell'A great new series for early readers.‘ - BookTrust 'A wonderfully absurd, anarchic romp.’ - Sarah McIntyre ‘Immensely appealing to children of five and up.’ - Literary Review