Silvia Strufaldi 
Flip and Flap know the city 

Flip and Flap are very curious soap bubbles. Love touring and making new friends. Come join this adventure. And along with Flip and Flap know the angels, the farm, the city and the great sea. In this book Flip and Flap were strolling in the city. Saw several cars, many tall buildings and different people. Come with Flip and Flap and discover how good it is to play in the city.