No dude that's not the problem. 8)
Your CD Drive is reading the wrong volume.If you have Windows 98 then just do this -
Go to My Computer -> Right Click on the CD Rom icon -> Properties -> Volumes -> Select the correct one .
Windows 98 gives you this nice feature to switch between different volumes created by multisession recording.
In most probability the case with your disc is that , this "another" volume might be blank & since Windows by default selected this volume it is showing it obviously as having 0 Bytes in My Computer.
But what I want you to understand is that this does not necessarily mean that the entire disc is blank.Change the Volume and your problem would be solved.
Do get back here to tell us what happened.