Reading Planet--The Problem with Picasso--Green

Comet Street Kids reading books follow the adventures of Rav, Asha, Tess and Finn, four of the residents of Comet Street. There are 72 exciting stories in the series that children won't be able to put down.
When Asha's dad takes Asha and Finn to the art gallery at the museum, it's not long before the kids find themselves in Pablo Picasso's house! He's got a problem - he needs to add something to one of his paintings, but he's not quite sure what! Can Finn and Asha help him?
Reading age 5-6 years