Strange CD track order

What might cause one CD to display tracks in the order 2,3,4,5,1 when
all other CD's in my library display correctly in track order?

I can easily sort by track number, but if I chose to play the entire CD,
it will play out of sequence.

--
Steve Swift
http://www.swiftys.org.uk/swifty.html
http://www.ringers.org.uk