Time-travelling penguins Pablo and Splash are on board a Viking longship in this hilarious full-colour graphic novel.

When Pablo and Splash tell their cheeky friend Benji about the Vikings and their impressive longships, Benji is amazed. He's desperate to steal a time machine and go plundering for treasure with those ancient warriors. Our time-travelling heroes Pablo and Splash must get to Viking-era Ireland in time to warn the monks about the imminent invasion - and make their own mark on history.