Who Were the Vikings?

Who were the Vikings?; what did Vikings look like?; what was a Viking family like?; what were Viking houses like?; did the Vikings believe in God?; what happened if they were ill?; what was Viking food like?; what did the Vikings do for fun?; could the Vikings read and write?; how did the Vikings get around?; did the Vikings go shopping?; did the Vikings have kings?; did they have an army?; were all Vikings ruthless raiders?; how far did Viking settlers go?.