What Christmas single has the biggest sales of all time?

More Questions:

The first American blood bank was established in 1937 in which city?

The organization PETA stands for "People for" what?

Who wrote the 1895 book "The Time Machine"?

Who painted the cover art for the 1993 Billy Joel album "River of Dreams"?

Which continental South American country borders Panama?

The White Sea borders what large country?

What two states share a border with Florida?

What's the main ingredient in glass?

What branch of medicine has a name which literally means "the Science of women"?

What is October's birthstone?

What is a male cat if a female is a queen?

What opera star sang with John Denver on the album "Perhaps Love"?

Prior to 1962, which political party was Ronald Reagan a member of?

Which country did the first European settlers of New York come from?

Who was the third president of the US?