[3/Love-o-meter] it seems TMP36 doesn't work (volts: 0.00 ; degrees: -50.00)

I have a problem with the sensor values jumping from 0 to ~85 every approximately 1 sec

The board is set up exactly as the book describes, left pin to 5V, mid pin to A0, right pin to GND.

example print:

Sensor Value: 0, Volts: 0.00, Degrees: 20.00
Sensor Value: 0, Volts: 0.00, Degrees: 20.00
Sensor Value: 0, Volts: 0.00, Degrees: 20.00
Sensor Value: 6, Volts: 0.03, Degrees: 17.07
Sensor Value: 36, Volts: 0.18, Degrees: 2.42
Sensor Value: 65, Volts: 0.32, Degrees: -11.74
Sensor Value: 79, Volts: 0.39, Degrees: -18.57
Sensor Value: 78, Volts: 0.38, Degrees: -18.09
Sensor Value: 59, Volts: 0.29, Degrees: -8.81
Sensor Value: 28, Volts: 0.14, Degrees: 6.33
Sensor Value: 4, Volts: 0.02, Degrees: 18.05
Sensor Value: 0, Volts: 0.00, Degrees: 20.00
Sensor Value: 0, Volts: 0.00, Degrees: 20.00
Sensor Value: 0, Volts: 0.00, Degrees: 20.00

Any idea what i'm doing wrong?