www.holodomor.org/
Enough said.
PS - It was probably more like 12-13 million.
http://www.amazon.com/Harvest-Sorrow-Soviet-Collectivization-Terror-Famine/dp/0195051807/ref=sr_1_1?ie=UTF8&s=books&qid=1264184330&sr=8-1
Outstanding book on the subject available on amazon.com