Super Bert and the case of the blue button

Super Bert, the robot detective, found a blue button in the street, and is trying to find the owner. Will he solve the case? Another great children's book about the best robot detective in the world.

Fire Truck - The Pilot
Fire Truck - Racing the Train
Fire Truck - Aase's Death
Fire Truck - Super Bert and the c
Fire Truck - Fire Truck Sounds
Fire Truck - City Ride
Fire Truck - Flower Meadow
Fire Truck - Morning Mood
Fire Truck - Count the Numbers
Fire Truck - Anitra's Dance
Fire Truck - Construction Machine
Fire Truck - Under Water