For fans of Phineas and Ferb
Full of humour, adventures and creative plans
Over 53.000 copies sold
Rik and Jesper live (almost) next to each other – there is only one house between them. That in itself is not so bad, but unfortunately that is where neighbour Arie Zemelaar lives, who hates both children and noise. Which is too bad, because Rik and Jesper are building almost every day! And that causes a lot of noise. And sometimes things go wrong… like on the day of The Disaster. It has to do with an underground corridor system, a big number of bizarre structures and a plague of unusual pets…