pdb files?

[paulmigs@xxxxxxxxxxxxxxx (Paul Migliorelli (+1 3 0 3 5 4 3 2 3 1 1))]

Hi all.  I  downloaded some back issues of a magazine I was wanting to 
catch up on, and I find they are p d b palm doc something or other files.  
I know we have pdf to text for conversions, but do we also have something 
for these palm things?